How obesity (Excessive weight) affects fertility

A normal body mass index is considered to be 19-24.9kg/M 2 .Overweight if BMI more than 25kg/M 2 and obese if more than 30kg/M 2 .
Obese women are 4 times more likely to suffer from infertility than women with normal body mass index.
Excessive weight can disturb the fine hormonal balance and cause menstrual irregularities, lesser or no ovulation and infertility. If pregnancy occurs the chances of abortions and pregnancy medical
disorders like increased blood pressure during pregnancy (PIH) and gestational diabetes is higher. Obesity can also decrease success rates of IUI, IVF and assisted reproductive technology due to poor quality of eggs or ovum, defective implantation of fertilised egg and defective and altered level of hormones.