Effect of Ejaculatory Abstinence on Semen Parameters in Male Factor Infertility Patients

Inclusion Criteria: * Male Age 18 - 50 years and female age \< 38 years * First IVF cycle * Abnormal semen parameters (at least 1 of the following on 2 semen analysis with at least one being in the past 12 months): a) sperm concentration \< 10 million/mL; b) unprocessed semen analysis with \< 10 million motile sperm or processed semen analysis with \< 3 million motile sperm; c) \< 2 % normal forms (strict Kruger morphology) * Female AMH \> 0.7 and/or and day 2-4 FSH \< 12 Exclusion Criteria * Donor sperm * Males with less than 200,000/mL sperm in the ejaculate * Utilization of a gestational carrier * Frozen donor egg * Female morbid obesity: BMI \> 40 * History of recurrent pregnancy loss (≥2 spontaneous abortions) * Preimplantation genetic testing - (M or SR) Monogenetic disorders or chromosomal rearrangement * The use of non-ejaculated sperm (testicular sperm extraction)