How can I manage fertility concerns related to obesity at 35?

Question

Hello doctor,

I am a 35-year-old woman struggling with obesity, and despite trying different diets and exercise programs, I cannot seem to keep my weight under control. I am very concerned because I want to get pregnant, but I have read that obesity can cause fertility problems and complications during pregnancy. I also want to know if being overweight makes menstrual cycles more irregular and whether this will get worse as I approach menopause.

Another question I have is whether obesity increases the severity of period cramps and hormonal imbalances.

Would IVF (in-vitro fertilization) still be effective for someone with my BMI (body mass index), or do I need to lose weight before attempting it?
Are there specific birth control options that are more suitable for obese women, since I have heard hormonal methods may be less effective or risky?
Do you think bariatric surgery is a safe option for someone like me who is planning a pregnancy in the near future?

Please suggest.

Thank you.

Answer 1

Hello,

Welcome to icliniq.com.

I have read your query and can understand your concern.

Obesity can indeed affect fertility, menstrual cycles, and pregnancy outcomes. It is associated with irregular ovulation, hormonal imbalance, increased risk of polycystic ovarian syndrome (PCOS), and higher chances of pregnancy complications such as gestational diabetes, hypertension, and cesarean delivery. IVF (in-vitro fertilization) can still be effective in women with high BMI (body mass index), but success rates are often lower compared to those of women with normal weight.

Optimizing your weight before attempting conception generally improves fertility outcomes and reduces pregnancy risks. Regarding contraception, both hormonal and non-hormonal methods can be used in obese women. However, some studies suggest slightly reduced efficacy of certain hormonal contraceptives (like pills or patches) in higher BMI (body mass index) groups. In such cases, long-acting reversible contraceptives, IUDs (intrauterine devices), and implants are considered more reliable.

Obesity can make menstrual cycles more irregular due to altered hormone metabolism, and symptoms such as heavy bleeding, painful periods, and worsening cramps can be more pronounced. As you approach menopause, hormonal fluctuations may intensify these symptoms.

Bariatric surgery is an option for women with severe obesity who have not succeeded with lifestyle or medical interventions. It often improves fertility, regulates cycles, and reduces pregnancy risks. However, pregnancy should ideally be delayed for at least 12 to 18 months after surgery, to allow weight and nutritional status to stabilize.

I hope this answers your query.

Let me know if I need to assist you further.

Thank you.