Defective Sperm: Either the sperm produced are ineffective, not fully mature, have poor mobility or there are no sperm due to injury or development. Even a low number of sperm makes it hard to get pregnant.
Answered 9/26/2014
5.8k views
Male infertility: Is the inability to achieve a successful pregnancy after a year of unprotected intercourse due to sperm problems (male contribution).
Answered 9/26/2014
5.8k views
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question