Introduction As a major health concern worldwide, infertility is estimated to affect 8-12% of reproductive-age couples. Besides being solely responsible for 20-30% of infertility cases, males also contribute to 50% of overall infertility cases1. The World Health Organization (WHO) has defined male infertility as the inability of a male to make a fertile female pregnant … Continue reading Probiotic supplementation improved sperm parameters in idiopathic infertility male: a systematic review and meta-analysis