1. P–404 Low serum progesterone on the day of frozen blastocyst transfer is associated with a diminished ongoing pregnancy rate in hormonal replacement therapy cycles. (6th August 2021) Authors: Maignien, C; Mathilde, B; Valérie, B; Ahmed, C; Charles, C; Pietro, S Journal: Human reproduction Issue: Volume 36:Supplement 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗