RT Book, Section 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. SR Print(0) ID 1184183948 T1 Male Infertility T2 Current Medical Diagnosis & Treatment 2022 YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264269389 LK accessmedicine.mhmedical.com/content.aspx?aid=1184183948 RD 2024/04/24 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.