A tendency towards higher peritoneal mean (817.12 vs. 563.8 ng/L) and median (371.5 vs. 267.8 ng/L) PARP levels were characteristic for the history of infertility, but no statistically significant differences regarding PARP levels in the peritoneal fluid comparing patients with and without infertility were detected (p = 0.057). The gene discussed is PARP1; the disease is Infertility.