… a serum β-subunit of human chorionic gonadotropin, β-hCG, … as those undergoing embryo
transfers on days 3 or 5 and … number of singletons and must be interpreted with caution. Thus, …

… Serum β-hCG levels were measured around 2 weeks after ET … Patients who lost contact
were interpreted as abortion. … caused by supraphysiologic levels of estrogen and progesterone. …

… 499 were excluded after reading of the title and/or abstract, … oral estradiol 24 and the other
oral and/or transdermal estradiol. In … as a serum β-hCG level ≥ 5 IU/L at 14 days after FET, 19 …

… transfer day 3 or embryo transfer day 5.… Serum oestradiol and beta-HCG measurements
after day 3 or 5 embryo transfers in interpreting pregnancy outcome. Reprod Biomed Online. …

… Serum β-HCG was measured 11 or 14 days after frozen Day 3 cleavage embryo or blastocyst
transfer, … On the first day of the menstrual cycle, patients received estradiol valerate tablets …

… (serum concentrations of β-HCG over 10 IU/l at 12 days after … oestradiol valerate (6 mg/day)
on the second or third day of the … All authors contributed to the interpretation, discussion and …

… After reading abstract and/or full texts and synthesizing … In this study, patients with a maximum
serum estradiol level > … safely discontinued after the first test for positive β-hCG [84, 85]. …

… If the participants were pregnant, oral oestradiol valerate was … as β-HCG (human chorionic
gonadotropin) serum level of at … Hence, these observations must be interpreted cautiously. …

… estrogen priming can be performed through serum estradiol … : biochemical pregnancy (detection
of β-hCG ≥ 5 IU/L) and … and, therefore, an adequate interpretation with regard to the use …

… serum β-hCG measured on the 12th day in our hospital after … serum β-hCG test was positive,
progesterone and estrogen … in early pregnancy is very important for interpreting hormone …