Sublingual human chorionic gonadotropin as an adjuvant to ovulation induction.

Objective: To evaluate the efficacy of sublingually administered human chorionic gonadotropin (HCG) in combination with clomiphene citrate (CC) or letrozole (LTZ) for ovulation induction.

Methods: In this prospective, double-blind, randomized study, the patients were divided into two placebo groups and two intervention groups using CC, LTZ, and HCG.

Results: There were no statistically significant differences in ovulation induction between the groups.