GNRH1 and Azoospermia: Her partner presented with nonobstructive azoospermia.<h4>Exposure</h4>Following micro-TESE, ovarian stimulation, and ICSI, the patient received prolonged combined GnRH-a and letrozole suppression before two attempts of single euploid frozen embryo transfer (eFET).<h4>Main outcome measures</h4>The main outcome measure was pregnancy outcome.<h4>Results</h4>The first eFET cycle with 3 months of suppression resulted in an early miscarriage at 7 weeks.