Most common cause of infertility in women is:

Correct option is B

Sol. Polycystic ovary syndrome (PCOS) is the most common cause of infertility in women, as it affects hormone levels and ovulation.
Explanation of each option:
· (a) Endometriosis – Endometriosis is a significant cause of infertility, but PCOS is more common.
· (b) PCOS – Correct answer. PCOS is a leading cause of infertility, affecting ovulation and hormone regulation in women.
· (c) Cancinoma Cervix – Cancer of the cervix is a serious condition but less common as a direct cause of infertility compared to PCOS.
· (d) Sexually Transmitted Disease – STDs can cause infertility, but PCOS remains the most common cause.