The Impact of Past Coronavirus Disease 19 (COVID-19) Infection on the Live Birth Rates of Frozen Embryo Transfer Cycles

A Prospective Observational Study of the Impact of a Recent Past COVID-19 Infection on the Live Birth Rates of Frozen Embryo Transfer Cycles

This is a prospective observational study. In this study, we aim to investigate the effect of a recent past Covid-19 infection on the live birth rate in the frozen embryo transfer cycles

Inclusion Criteria:

1. Women aged 20-42 years at the time of ovarian stimulation for in vitro fertilization
2. Women have embryos frozen prior to COVID infection.

Exclusion Criteria:

1. Previous COVID infection before oocyte retrieval
2. Recipient of oocyte donation
3. Undergoing preimplantation genetic testing
4. Presence of hydrosalpinx or endometrial polyp which is not surgically treated