Does Obesity Affect Fertility? A Complete Guide + Treatment in Iran
Obesity is one of the most overlooked factors in fertility challenges — yet its impact is significant and well-documented. How Does Obesity Harm Fertility? For women, obesity disrupts ovarian follicle recruitment, egg development and quality, fertilization, and embryo implantation. For men, it leads to hormonal imbalances and reduced sperm quality. The PCOS Connection Women with PCOS — a condition affecting about 1 in 10 women of childbearing age — often experience both fertility issues and obesity together. Many also have insulin resistance, which independently affects ovulation and the ability to conceive. What Happens During IVF? During ovarian stimulation, obese women tend to need higher FSH doses, have fewer eggs collected, show lower estradiol levels, experience more cycle cancellations, and have lower pregnancy rates. They are also at increased risk of miscarriage after IVF or ICSI. Can Weight Loss Help? Absolutely. Weight loss of more than 5 kg ca...