1. Age: Age is noted to be one of the main factors causing women infertility. The fertility rates in women decreases as she ages. Due to the career oriented nature observed in the women they marry late many times even after 35 years of age.
2. Obesity: Overweight women find it difficult to conceive. Obesity is being associated with polycystic ovarian syndrome (PCOS), an endocrinologic disorder that can cause infertility.
3. Hormonal imbalance: Hormonal imbalance occurs a lot in the women and many women fail to conceive because of this. The level of the progesterone and estrogen is found to be in low quantity in some women. These two hormones are required in sufficient amount for women to get pregnant.
4. Premature ovarian failure (POF): During this ovary development fails prematurely. Irregular periods are the symptoms of the POF.