Letrozole-induced endometrial preparation improved the pregnancy outcomes after frozen blastocyst transfer compared to the natural cycle: a retrospective cohort study
Abstract Background Letrozole treatment is considered an effective option in endometrial preparation for frozen embryo transfers in patients with ovulation disorders or irregular menstruation; however, the effectiveness of letrozole-induced endometrial preparation remains unclear in ovulatory patien...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2022-11-01
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Series: | BMC Pregnancy and Childbirth |
Subjects: | |
Online Access: | https://doi.org/10.1186/s12884-022-05174-0 |