Regular menses and normal weight is important before conception, indicating the need to have the proper nutrition for fertility. In cases of PCOS (Polycystic ovary syndrome) either associated with obesity or obesity alone fertility is compromised and the chances of conception are decreased. Therefore weight control by means of exercise and diet are helpful in restoring normal ovulation is very helpful.
The optimal dietary composition and caloric intake to enhance fertility function is outlined in a study of 17,544 married women over a study duration of eight years. Reduction of transfats, animal protein was essential. Additionally, vegetables, legumes, high fiber intake and low glycemic foods are very helpful. Vegetable proteins such as beans, peas and nuts increase the chances of conception. Use of multivitamin supplements is very helpful also. Folic acid, B vitamins in general are important.
Chavarro JE, Rich-Edwards JW, Rosner BA et al. Use of multivitamins, intake of B vitamin, and risk of ovulatory infertility. Fertil Steril. 2o08; 89:668-676.