BACKGROUND Extended embryo culture to blastocyst stage is widely used in IVF and is the
default strategy in most clinics. The last decade has witnessed a growing interest in obstetric …

Background: Infertility affects about 80 million individuals worldwide and 10–15% of couples
at reproductive age will seek medical assistance. There is increasing evidence that …

STUDY QUESTION Does the method of fertilisation improve reproductive outcomes in poor
ovarian response (POR) cycles when compared to all other ovarian response categories in …

STUDY QUESTION Are perinatal outcomes following fresh blastocyst versus fresh cleavage
stage embryo transfer (ET) different in singletons, twins, and between singleton siblings …

Background The aim of this study was to develop a nomogram for predicting the risk of
preterm birth in women undergoing in vitro fertilization (IVF) cycles. Methods A retrospective …

Background Several studies have shown that newborns conceived through the ART
procedures were associated with an increased incidence of preterm delivery compared to …

Purpose This retrospective cohort study determined the relative efficacy of blastocyst and
cleavage-stage transfers in patients with differing numbers of zygotes. Methods A total of …

Objective To explore whether endometrial thickness (EMT)≤ 7.5 mm is associated with
singleton low birth weight (LBW) from single fresh blastocyst transfer. Methods This was a …

Purpose To compare perinatal outcomes of singletons after blastocyst versus cleavage-
stage embryo transfer in frozen-thawed embryo transfer (FET) cycles. Methods This was a …

Objectives To compare the reported rate of any congenital anomaly and perinatal outcome
of pregnancy following blastocyst‐vs cleavage‐stage embryo transfer using a pairwise meta …