Over the last decade the use of frozen–thawed embryo transfer has substantially increased,
and currently up to one in two embryos transferred has been cryopreserved. To support …

Purpose The purpose of this study was to evaluate the best protocol to prepare endometrium
for frozen embryo replacement (FER) cycles. Methods This study is a systematic review and …

Objective To study the effect of patients' immunization after coronavirus disease 2019
(COVID-19) infection or messenger ribonucleic acid (mRNA) severe acute respiratory …

Objective To determine the optimal endometrial preparation protocols of frozen-thawed
embryo transfer (FET) in young women with regular menstrual cycles. Design Retrospective …

Background A Delphi consensus was conducted to evaluate global expert opinions on key
aspects of assisted reproductive technology (ART) treatment. Methods Ten experts plus the …

Background: Nowadays, frozen-thawed embryo transfer (FET) cycles represent a high
proportion of fertility treatments worldwide. Recent studies suggest differences in pregnancy …

There is no consensus regimen for the optimal endometrial preparation for cryopreservation
and vitrified-thawed embryo transfer cycles. This is largely caused by the lack of sufficient …

The number of embryos transferred during an IVF cycle is directly related to the high
incidence of multiple births, which is the culprit of perinatal morbidity. Therefore, single fresh …

Objective: To investigate whether there was a difference in pregnancy outcomes between
modified natural cycle frozen-thawed embryo transfer (NC-FET) cycles and artificial cycles …

Research question Which of the two mainstream endometrial preparation regimens,
assisted natural cycle (NC) or hormone replacement treatment cycle (HRT), help frozen …