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Dear Label_Name,

Greetings! I hope you are well.

I am writing on behalf of an international publishing house, Science and Education Publishing, USA (http://www.sciepub.com).

Science and Education Publishing (SciEP) is a multidisciplinary open access publisher of Journals covering the fields of Science, Technology and Medicine. All SciEP publications are subject to high-quality peer review, editorial and production processes and are freely available online.

Welcome to the April, 2013 edition of SciEP newsletter, providing monthly summaries of articles on science & education related topics of interest to scientist and professionals. The mission of our journals is to provide an open access forum for publishing new findings on issues pertinent to scientific and academic field. We also invite you to submit original research papers, review articles, short reports, or case studies are considered for publication in our Multidisciplinary Journals.

American Journal of Public Health Research
DOI: 10.12691/ajphr-1-1-3

The Implementation of a Tele-Homecare System with Service Oriented Architecture and HL7 Message Transmission Standard
Ching-Sung Wang

American Journal of Medical and Biological Research
DOI: 10.12691/ajmbr-1-1-2

The Influence of Ethanol on Pyruvate Kinases Activity in Vivo, in Vitro, in Silico
Lelevich Sergey Vladimirovich, Khrustalev Vladislav Victorovich, Barkovsky Eugene Victorovich, Shedogubova Tatyana Aleksandrovna

American Journal of Medical Sciences and Medicine
DOI: 10.12691/ajmsm-1-1-1

Clinical and Histological Features in Wegener Granulomatosis
Li Cavoli Gioacchino, Passantino Rita, Bono Luisa, Tortorici Calogera, Ferrantelli Angelo, Giammarresi Carlo, Rotolo Ugo

American Journal of Infectious Diseases and Microbiology
DOI: 10.12691/ajidm-1-1-2

The Curse of Lymphatic Filariasis: Would the Continual Use of Diethylcarbamazine Eliminate this Scourge in Papua New Guinea?
Anne Lanham, Lillian Mwanri

We have released issues of some journals on February 2013.
American Journal of Public Health Research
American Journal of Medical Sciences and Medicine
American Journal of Medical and Biological Research
American Journal of Pharmacological Sciences
American Journal of Clinical Medicine Research
American Journal of Nursing Research
American Journal of Cancer Prevention
American Journal of Medicine Studies
American Journal of Infectious Diseases and Microbiology
American Journal of Cardiovascular Disease Research
American Journal of Biomedical Research
American Journal of Mechanical Engineering
American Journal of Microbiological Research
Journal of Preventive Medicine
American Journal of Food and Nutrition
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Journal of Cancer Research and Treatment
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Dear Label_Name,

Greetings! I hope you are well.

I am writing on behalf of an international publishing house, Science and Education Publishing, USA (http://www.sciepub.com).

Science and Education Publishing (SciEP) is a multidisciplinary open access publisher of Journals covering the fields of Science, Technology and Medicine. All SciEP publications are subject to high-quality peer review, editorial and production processes and are freely available online.

Welcome to the April, 2013 edition of SciEP newsletter, providing monthly summaries of articles on science & education related topics of interest to scientist and professionals. The mission of our journals is to provide an open access forum for publishing new findings on issues pertinent to scientific and academic field. We also invite you to submit original research papers, review articles, short reports, or case studies are considered for publication in our Multidisciplinary Journals.

American Journal of Public Health Research
DOI: 10.12691/ajphr-1-1-3

The Implementation of a Tele-Homecare System with Service Oriented Architecture and HL7 Message Transmission Standard
Ching-Sung Wang

American Journal of Medical and Biological Research
DOI: 10.12691/ajmbr-1-1-2

The Influence of Ethanol on Pyruvate Kinases Activity in Vivo, in Vitro, in Silico
Lelevich Sergey Vladimirovich, Khrustalev Vladislav Victorovich, Barkovsky Eugene Victorovich, Shedogubova Tatyana Aleksandrovna

American Journal of Medical Sciences and Medicine
DOI: 10.12691/ajmsm-1-1-1

Clinical and Histological Features in Wegener Granulomatosis
Li Cavoli Gioacchino, Passantino Rita, Bono Luisa, Tortorici Calogera, Ferrantelli Angelo, Giammarresi Carlo, Rotolo Ugo

American Journal of Infectious Diseases and Microbiology
DOI: 10.12691/ajidm-1-1-2

The Curse of Lymphatic Filariasis: Would the Continual Use of Diethylcarbamazine Eliminate this Scourge in Papua New Guinea?
Anne Lanham, Lillian Mwanri

We have released issues of some journals on February 2013.
American Journal of Public Health Research
American Journal of Medical Sciences and Medicine
American Journal of Medical and Biological Research
American Journal of Pharmacological Sciences
American Journal of Clinical Medicine Research
American Journal of Nursing Research
American Journal of Cancer Prevention
American Journal of Medicine Studies
American Journal of Infectious Diseases and Microbiology
American Journal of Cardiovascular Disease Research
American Journal of Biomedical Research
American Journal of Mechanical Engineering
American Journal of Microbiological Research
Journal of Preventive Medicine
American Journal of Food and Nutrition
American Journal of Hypertension Research
American Journal of Sports Science and Medicine
Journal of Cancer Research and Treatment
American Journal of Zoological Research
Journal of Biomedical Engineering and Technology
American Journal of Microbiological Research
Biomedical Science and Engineering

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Infertility and Obesity: Impact of Lifestyle Modification

Hanan Elzeblawy Hassan*, Fatma Hosny Abd-ELhakam, Enas Kasem Ali

Professor of Maternal and Newborn Health Nursing, Faculty of Nursing, Beni-Suef University, Egypt

Abstract: Background: Obesity increases the risk of sub-fecundity and infertility due to dysfunction in the hypothalamic-pituitary-ovarian axis, low oocyte quality, and reduced endometrial receptivity, and increases the risk of normal-gonadotrophic anovulation. Aim: evaluate the impact of lifestyle modifications on women's BMI and infertility among women with polycystic ovary syndrome. Subjects and Methods: A quasi-experimental design at Beni-Suef University Hospital's gynecological and infertility clinics; a purposive sample of 116 women with polycystic ovary syndrome, overweight, and obesity, was selected. Tools: I: The Arabic-structured interview questionnaire contains personal data; II: anthropometric measures contain body mass index and waist circumference; III: lifestyle and habit characteristics contain nutritional habits and block adult physical activity (PA). Results: It revealed that the anthropometric measures get better for the study group after intervention (60.3%; BMI ≥25.0: overweight and 46.5%; waist circumference ≥88) compared to 29.3%; BMI ≥25.0: overweight and 77.6%; waist circumference ≥88) before intervention, respectively. About 95.1% of BMI ≥30: obesity in the study group had irregular menstrual cycles before intervention. Compared to 94.3% of BMI ≥25: overweight and 100% of BMI 18.5-24.9: normal weight, the study group had a regular cycle after the intervention. There is a positive correlation between anthropometric measures and menstrual cycle regularity (p< 0.01). Also, 87.5%, 83%, and 77.7% of the poor nutrition habits of the study group women experienced hypo-menorrhea, irregular cycles, and oligo-amenorrhea before intervention, compared to 78%, 75.6%, and 83.3% of good habits after intervention. Moreover, 87.5%, 93.6%, and 77.7% of mild physical activity have hypomenorrhea, irregular cycles, and oligoamenorrhea before intervention, compared to 68%, 80%, and 83.3% of moderate physical activity after the intervention. Conclusion: The study shows a positive correlation between anthropometric measures and menstrual cycle regularity and suggests that poor lifestyle habits can lead to irregular cycles and hypomenorrhea. Recommendations: Collaboration among gynecologists, nutritionists, and endocrinal specialists is needed to address women's fecundity-decline-related obesity.

Keywords: infertility, obesity, lifestyle modification

Received May 13, 2025; Revised June 15, 2025; Accepted June 23, 2025

Citation: Hanan Elzeblawy Hassan, Fatma Hosny Abd-ELhakam, Enas Kasem Ali, Infertility and Obesity: Impact of Lifestyle Modification. American Journal of Nursing Research, 13 (3). 59-67. January 2025. doi:10.12691/ajnr-13-3-1

1. Introduction

Obesity is a global pandemic causing clinical, social, and economic impacts in both developed and developing countries [1]. It's a chronic, progressive, relapsing, and treatable neurobehavioral disease [2]. Adult body fat is measured using techniques like total body weight, waist circumference, and hip circumference, leading to the development of obesity indicators like BMI, which is the most commonly used measure [3]. A rough indicator of intra-abdominal fat mass and overall body fat is waist circumference. Men and women with waist circumferences of 102 cm and 88 cm have higher rates of cardiovascular and metabolic disease, respectively [4].

Obesity increases the risk of sub-fecundity and infertility due to dysfunction in the hypothalamic-pituitary-ovarian axis, low oocyte quality, and reduced endometrial receptivity, and increases the risk of normal-gonadotrophic anovulation [5,6,7,8,9]. In case-control research, 52 women between the ages of 20 and 38 were divided into two groups (fertile-cases and infertile-controls), and it was discovered that obesity has a substantial detrimental impact on women's fertility (p = 0.017). Those who were infertile had a 7.5-fold higher likelihood of being fat than those who were fertile [10].

Obesity and the hypothalamic-pituitary-Ovarian axis

Obesity leads to delayed puberty in women, while excessive leanness causes it to occur earlier. Adipocytokines, particularly leptin, play a role in puberty and fertility, stimulating hormone pulses. Obesity increases leptin levels in ovaries, making them vulnerable to fertility issues. Obesity also increases androgen and estrogen levels, leading to central obesity characterized by "relative functional hyperandrogenism" and potentially infertility. Obesity is a global health concern, with one-fifth of UK women obese. PCOS patients often develop the condition due to obesity, increasing the risk of infertility [11,12,13,14,15] [16,17,18,19,20].

2. Aim of the Study

This study aims to evaluate the impact of lifestyle modifications on women’s BMI, menstrual irregularity and infertility among women with poly cystic ovary syndrome.

3. Study Hypotheses

Infertile overweight and obese women who will receive lifestyle modification interventions will experience an improvement BMI and menstrual irregularity, thus improve their fertility than those who don’t attend.

4. Subjects and Methods

This study used a quasi-experimental design at Beni-Suef University Hospital's gynecological and infertility clinics. A purposive sample of 116 women with polycystic ovary syndrome, overweight, and obesity, was selected. The study included participants aged 18-40 with a body mass index over 25 kg/m2. The sample size was calculated using Kadam & Bhalerao's equation, with a power of 80%, confidence level of 95%, and margin of error of 5% [21]

Tools of data collection

Tool I: Personal data

The Arabic structured interview questionnaire, adapted from Mostafa et al. (2012), collects basic data like telephone number, age, and marital status, while also addressing women's menstrual cycle data [22].

Tool II: Anthropometric measures

a) Body mass index = weight in kg /height² (in meter)

• Weight was measured on a standing manual scale, with subjects removing heavy clothing, checking the scale, and wearing straight shoes without support [23].

• The study measured height by placing subjects' heads, shoulders, buttocks, and heels on a flat surface, making a straight angle with the wall, and lowering a flat headpiece to contact the crown. The height was then measured using a measuring tape [23].

• The World Health Organization (WHO) recommends measuring weight and height to calculate body mass index (BMI), with normal BMI being 18.5-24.9 kg/M², overweight BMI 25.0-29.9 kg/M², obesity BMI 30.0-39.9 kg/M², and extreme obesity BMI 40.0 kg/M² [24]

b) Waist circumference: Waist circumference, measured between the lower rib and iliac crest during expiration, is classified as normal (≤ 88 cm) or increased (> 88 cm) [25].

Tool III Lifestyle and habits characteristics:

Part I nutritional habit: The study measures women's nutrition habits, including food and soft drinks, using a five-point scale. Poor habits are scored below 60% of total scores, while good habits are scored ≥ 60%

Part II the Block Adult Physical Activity (PA) Screener was the predictor for physical activity.

The tool evaluates job-related, daily life, and leisure activities. It measures responses on nine items, with women's responses measured on five points [26]. The total score is categorized into mild, moderate, and vigorous physical activity

Validity and Reliability of tools:

Five experts validated tools, assessing content accuracy, internal validity, completeness, clarity, and internal validity. Test-retest reliability showed internal consistency, with Cronbach's α scores ranging from 0.70 to 0.97.

Study Field Work:

The study involved 116 women with polycystic ovary syndrome (PCOS) and involved a six-month process. Data was collected through literature review and interviews. Participants were divided into two groups: the experimental group, who received a lifestyle modification intervention, and the control group, who took routine care. The intervention aimed for 5-10% weight loss or a BMI < 29 kg/m2 within six months. The program consisted of four sessions, each lasting 30 minutes to 1 hour, facilitated by head nurses. An educational booklet was distributed to each participant.

The study involved monthly interviews with women, regular follow-up appointments, and tracking of diet and exercise. After 6 months, the program was evaluated for anthropometry and menstrual cycle changes. Posttests were conducted for both control and study groups, with the control group receiving routine care.

Statistical Analysis: -

The study used IBM's SPSS version 25 for data collection, analysis, and presentation. Descriptive statistics were used for quantitative data, while analytical statistics were used to determine potential associations between study factors and targeted variables. Tests used for significance included Chi-squared and Student t-tests, with a significance level of 0.05 for non-significant data, 0.05 for significant data, and 0.001 for highly significant data.

5. Results

Table 2 revealed that, the means of all anthropometric measures were decreased in the study control after intervention compared to before one. Statistically signification relationship between overweight and obese infertile women’s anthropometric measures and modified quality of life program after intervention (p< 0.001)

Figure 1 Portrays anthropometric measures of the studied women. It revealed that, the anthropometric measures get better for study group after intervention (60.3%; BMI ≥25.0: overweight and 46.5%; waist circumference ≥88) compared to (29.3%; BMI ≥25.0: overweight and 77.6%; waist circumference ≥88) before intervention, respectively.

Table 3 shows improved lipid profiles in infertile overweight and obese women with polycystic ovary syndrome after intervention, with a statistically significant relationship (p< 0.01).

Figure 2 Portrays ovulatory functions of the studied women. It revealed that. It shows that 81.1%, 58.6%, and 51.7% of the study groups had irregular cycles and 3-5-day duration, and average of 35–90 days menstrual cycle before the intervention, compared to 31.0%, 86.2%, and 37.9% after the intervention, respectively.

Figure 3 reveals a positive correlation between anthropometric measures and menstrual cycle regularity in infertile overweight and obese women with polycystic ovary syndrome. Approximately 95.1% of those with a BMI ≥30 had irregular menstrual cycles before intervention, while 44.5% had regular cycles after intervention.

Figure 4 presented that poor nutrition habits in women resulted in irregular cycle, hypomenorrhea, and oligoamenorrhea before intervention, while good habits resulted in regular cycles, duration 3-5 days, and frequency 21-34 days.

Figure 5 showed that there was about 87.5%, 93.6%, and 77.7% of mild physical activity of the study group women have hypomenorrhea, irregular cycle, and oligoamenorrhea before intervention. Compared to 68%, 80%, and 83.3% of moderate physical activity had a normal duration after the intervention.

Table 1. Overview of the elements in the educational program about life style modification

Table 2. Anthropometric Measures of the Studied Infertile Overweight and Obese Women with Polycystic Ovary Syndrome (n = 116)

Table 3. Lipid profile and investigation among the Studied Infertile Overweight and Obese Women with Polycystic Ovary Syndrome (n = 116)

Figure 1. Anthropometric Measures of the Studied Infertile Obese Women with Polycystic Ovary Syndrome

Figure 2. Ovulatory Function of the Studied Infertile Obese Women with Polycystic Ovary Syndrome

Figure 3. Relationship between anthropometric measures and menstrual cycle regularity among the study group infertile overweight and obese women with polycystic ovary syndrome (n=58)

Figure 4. Relationship between Ovulatory function and lifestyle dietary habits in the Study group of Infertile Overweight and Obese Women with Polycystic Ovary Syndrome (n = 58)

Figure 5. Relationship between Ovulatory function and physical activity level among the Study group of Infertile Overweight and Obese Women with Polycystic Ovary Syndrome (n = 58)

6. Discussion

Obesity is a complex health issue influenced by genetics, learned behaviors, and unhealthy societal eating habits [27]. The relationship between obesity and infertility is complex, with androgen changes and their interaction causing subfertility in obese women [28]. So, this study aims to evaluate the impact of lifestyle modifications on women's BMI and infertility among women with polycystic ovary syndrome.

Regarding BMI, the study found that the mean weight and BMI in the study group decreased significantly after the intervention from 32.4±4.21 to 29.5±3.42. This is in line with Lass et al. (2011) who found that lifestyle modification interventions positively reduced weight in patients with obesity and PCO, with a mean BMI of 28.3 ± 3.4 post-intervention, aligning with the current findings [29].

The study found that waist and thigh circumference decreased significantly after an intervention, with the mean values dropping from 86.0±6.37 and 110.7±4.75 to 85.0±6.09 and 107.8±3.71, respectively. This is in accordance with Öberg's 2022 study on overweight women with Polycystic Ovary Syndrome found significant reductions in waist circumference before and after lifestyle intervention [30].

The study found a significant reduction in metabolic measures after lifestyle modification, including total cholesterol, LDL cholesterol, fasting glucose, total triglyceride, and elevated HDL levels, with no significant differences between control groups. This is in line with the study of Niranjani et al. (2022) who found that cinnamon exercise, and counseling effectively reduces hyperandrogenic symptoms and anxiety in young girls with Polycystic Ovarian Syndrome [31]. Moreover, study aligns with a meta-analysis of 14 studies involving 617 adult women with PCOS, which found that exercise enhances lipid profiles [32]. This may be attributed to weight loss is a crucial treatment for PCOS, as it enhances the biochemical and metabolic parameters of the condition. However, Liu et al.'s (2021) study contradicts our findings; he found that lifestyle interventions, including dieting and exercise, did not significantly impact lipid profiles [33].

Polycystic ovarian syndrome (PCOS) is a prevalent endocrine disorder affecting women, characterized by menstrual irregularities, and obesity, affecting reproductive, endocrine, and metabolic function [34].

Concerning menstrual cycle study; the study found significant improvements in menstrual cycle irregularities, with over half of the study group experiencing a 3-5-day cycle duration after the intervention. This is in accordance with Öberg's 2022 study on lifestyle interventions in overweight women with Polycystic Ovary Syndrome found positive effects on menstrual cycle irregularities [30]. Also, Abd Elmenim et al.'s (2016) study found that lifestyle changes can significantly impact symptoms of polycystic ovarian syndrome in obese girls, with menstruation durations ranging from 5-7 days [35].

The study found that over three-quarters of the study and control group had irregular cycles before the intervention, and over two-thirds of the study group had regular cycles after the intervention. These findings came in agreement with Marzouk et al. (2015) [25]. They studied the “Effect of dietary weight loss on menstrual regularity in obese young adult women with polycystic ovary syndrome”. They revealed that the dietary weight loss in adolescent women with PCOS resulted in significant improvement in menstrual regularity. From the researcher's point of view, lifestyle interventions have been shown to have positive effects in terms of improved ovulation function.

The study revealed an increase in frequency of menstrual cycles post-intervention, with over half of the study group experiencing a duration of 35-90 days, compared to two-thirds of the control group. This is supported by Turan et al.'s 2015 study who found that structured exercise reduced menstruation periods in normal females with PCOS by 27.3 days after 8 weeks [36].

The study found a positive correlation between anthropometric measures and menstrual cycle regularity in infertile overweight and obese women with polycystic ovary syndrome, with most having irregular cycles before intervention. This is in accordance with Marzouk et al. (2015), who found that weight reduction leads to menstrual regularity in obese young adult women with polycystic ovary syndrome, possibly due to the associated comorbidity [25]. Also, Neubronner et al.'s 2021 study found that healthy women aged 21-45 with normal or high BMIs are equally at risk for oligomenorrhea [37].

The study found a significant relationship between menstrual dysfunction and waist circumference, with most participants having irregular cycles of ≥88 waist circumference before intervention, and nearly half after intervention, similar to a 2020 study by Taheri et al. The researcher suggests that menstrual disorders significantly contribute to the increase in subcutaneous fat indicators, such as subscapular skinfold, suprailiac skinfold, and triceps skinfold thicknesses [38].

The study found a significant improvement in menstrual irregularity after an intervention, with most participants experiencing regular cycles, compared to two-thirds of the study group. This is in line with Hassan et al., 2019 who study “Physical Activity and Menstrual Disorders Аmong School Girls in Southern Egypt” and found that physical activity affect positively on menstrual cycle [39]. Also, Öberg's study (2022) found that two-thirds of overweight women with Polycystic Ovary Syndrome improved their menstrual cycle after a behavioral modification intervention compared to a control treatment [30]. This agreement may be due to no differences in the type, duration, or populations studied. However, a meta-analysis of 12 clinical trials found that lifestyle modification alone for 6 months does not improve reproductive outcomes, menstrual irregularity, or metabolic features, possibly due to differences in populations [40]. Researchers believe this discrepancy may be due to variations in studied populations, intervention duration, and type of lifestyle interventions.

Regarding effect of lifestyle and daily habits on the study group; the study found a significant difference in lifestyle and daily dietary habits between pre- and post-intervention data after 6 months of lifestyle modification. This in line with Moran's 2013 study who found that physical activity and sedentary behavior significantly contribute to body mass index in women with and without polycystic ovary syndrome. Moran's 2013 study found that physical activity, rather than watching TV, significantly influenced body mass index in women with and without polycystic ovary syndrome [41].

However, the findings of the current study revealed that in the in the majority of the study and control groups, the doctor told them that they must lose weight before and after the intervention. Additionally, all of the study and control groups wanted to lose weight before and after the intervention. Albezrah et al.'s 2019 study found that two-thirds of Taif city women with polycystic ovary syndrome (PCOS) believe weight reduction is an effective treatment, emphasizing physical activity as the first line of therapy [42]. Also, Thomson et al.'s (2011) study on overweight women with polycystic ovary syndrome found increased physical activity in the study group compared to the control group [43]. The researcher believes that increased physical activity is driven by a strong desire to lose weight and restore fertility for pregnancy.

A study in Stockholm found that dietary control and exercise, combined or separately, are equally beneficial in improving ovarian function in women with PCOS [44]. Obese women with PCOS can benefit from dietary changes and regular exercise, as even small lifestyle adjustments can significantly improve insulin sensitivity and reestablish ovulation in obese anovulatory women [45].

Obesity and infertility are linked, with androgen changes and estrogen interaction causing subfertility in obese women [28]. Gaining weight induces insulin resistance, raising insulin levels and decreasing liver function. Obesity may contribute to anovulation in some PCOS women [46]. Results of the current study revealed 100% of the study and control had negative pregnancy test rate (HCG) (before/during/after the intervention). Compared to 36.2%, 12% of the study and control had positive pregnancy tests after the intervention. A highly statistically significant difference was observed post-intervention. This reinforces the effect of the international program; thus, the study hypothesis was accepted.

7. Conclusion

The study reveals a positive correlation between anthropometric measures and menstrual cycle regularity. Moreover, poor lifestyle, including nutrition habits and physical activity, resulted in an irregular cycle, hypomenorrhea, and oligo-amenorrhea. Intervention and modified quality of life program for overweight and obese infertile women with polycystic ovary affected positively on women's anthropometric measures. Moreover, ovulatory function improves with a significant improvement in irregular cycles and average menstrual cycle duration.

Recommendations

1. Collaboration among gynecologists, nutritionists, and endocrinal specialists is needed to address women's fecundity-decline-related obesity.

2. Nurses should provide counseling and lifestyle modification for infertile obese women.

3. Maternity and gynecologic health nurses should be equipped with necessary knowledge and skills to help people adjust to daily challenges.

Conflicts Of Interest Disclosure: The Authors Declare That There Is No Conflict Of Interest.

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