Livebirth rate after one frozen embryo transfer in ovulatory women starting with natural, modified natural, or artificial endometrial preparation in Viet Nam: an open-label randomised controlled trial
Lancet. 2024 Jun 26:S0140-6736(24)00756-6. doi: 10.1016/S0140-6736(24)00756-6. Online ahead of print. ABSTRACT BACKGROUND: Use of frozen embryo transfer (FET) in in-vitro fertilisation (IVF) has increased. However, …