… β-hCG test (serum levels of β-hCG > 10 IU/ml 11 days after ET)… the length of oestrogen
exposure, both with or without PGT-A … CR-V performed statistical analyses and data interpretation, …

… This was followed by 6 mg of oral estradiol for 6–8 days. … a serum β-hCG level greater than
10 IU/L in the 14 days after … interpretation, or in all these areas; took part in drafting, revising …

… The association between aberrant β-HCG levels in the first … The small sample size limits the
interpretation of our results. … , a larger number of cases could significantly refute or affirm our …

… toward moving embryo culturing to day 5 or 6 and transfer at the … underwent FET cycles
substituted with estrogen, and, when an … (33) should be interpreted with caution because they …

… by ultrasound 28 days after transfer in β-HCG-positive patients. … was started after at least 12
days of estrogen usage if the … regardless of the day 3 embryos or blastocysts transferred. This …

… Chemical pregnancy was defined as an elevated serum β-hCG … Thus, in our study, serum
estradiol levels were elevated after … , and interpretation of data and in writing the manuscript. …

… tubes were prepared for reading. The blank tube … Embryo transfer occurred on days 3 or 5.
Biochemical pregnancy was ascertained though positive β-hCG 15 days after embryo transfer…

… Finally, the findings from this study should be interpreted with … , while serum estradiol (E2)
concentration was measured in … as a serum β-hCG level > 5 mIU/mL, assessed 9 days after FET…

… of β-human chorionic gonadotropin (β-hCG) and estradiol (E2) … Serial measurements of
β-hCG are often difficult to interpret … levels of serum β-hCG and E2 on the 14th day after embryo …

… Estradiol on the human chorionic gonadotropin (hCG) day, … on the 14th day after ET, with a
serum β -hCG level above 5 IU/… Therefore, it was important to interpret the results of this study …