TY - CHAP M1 - Book, Section TI - Male Infertility A1 - Sorensen, Mathew A1 - Walsh, Thomas J. A1 - Haider, Maahum A. A2 - Papadakis, Maxine A. A2 - McPhee, Stephen J. A2 - Rabow, Michael W. A2 - McQuaid, Kenneth R. PY - 2022 T2 - Current Medical Diagnosis & Treatment 2022 AB - ESSENTIALS OF DIAGNOSISInfertility is common, and male factors contribute to 50% of cases.Causes include decreased or absent sperm production or function, or obstruction of the male genital tract.Abnormal semen quality is a risk factor for infertility and may indicate poor health or increased risk of certain health conditions. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2023/09/27 UR - accessmedicine.mhmedical.com/content.aspx?aid=1184183948 ER -