OBJECTIVE: To compare β-hCG levels measured as the first pregnancy test in women who
conceived after in vitro maturation (IVM) or IVF. DESIGN: Retrospective matched cohort …

OBJECTIVE: To assess the clinic value of a single maternal serum beta-human chorionic
gonadotropin (2-hCG) assay 11 d after embryo transfer in ART pregnancies and to predict …

Objectives: This study aimed to assess the effect of intrauterine injection of human chorionic
gonadotropin (hCG) before frozenthawed embryo transfer on implantation and clinical …

Objective Substantial previous studies have almost reached an agreement on the gender
effect on maternal serum human chorionic gonadotropin (MsHCG) in and after the late first …

Objective To determine the effect of embryonic factors on serum beta human chorionic
gonadotropin (β-hCG) levels in pregnancy and live birth resulting after a single fresh …

OBJECTIVE: To investigate the impact of delaying the transfer of in vitro fertilized embryos to
day 5 on embryo development by comparing serum β-hCG levels in pregnancies …

Purpose: Our purpose was to assess the predictive value for pregnancy outcome of an initial
serum quantitative β-hCG measurement obtained 11 or 12 days after embryo transfer in an …

STUDY QUESTION Does the use of hCG as luteal phase support in natural cycle frozen
embryo transfer (FET) increase the ongoing pregnancy rate? STUDY ANSWER The use of …

This study evaluated β-human chorionic gonadotropin (hCG) changes during the early
period of pregnancy in an attempt to predict successful pregnancy outcomes in ART. It …

Study question Is there a relationship between the concentration of the βhCG hormone in
maternal blood, embryo morphokinetics and clinical outcome? Summary answer βhCG …