What is Tubal factor as a cause of infeility is seen in ----- and explain in detail?
Causes of female infeility: Ovarian causes-30-40% Tubal blockade-25-30% unexplained infeility-15% uterine factors-10% PCOS-10% cervical factor-5% pelvic cause-5% shaw's Textbook of Gynaecology 16th edition Page no 249