ObjectiveThis crossover study compared the effects of two recombinant follicle-stimulating hormone (rFSH) preparations, follitropin alfa and follitropin delta, on assisted reproductive technology (ART) outcomes.MethodsPatients aged 25-42 ye…
PURPOSE: To evaluate the impact of Endometrial Microbiome Metagenomic Analysis and Analysis of Infectious Chronic Endometritis (EMMA & ALICE) on pregnancy outcomes following recommended treatments in women with recurrent implantation failur…
OBJECTIVE: Assisted reproductive technology (ART), especially frozen-thawed embryo transfer (FET) in a hormone replacement cycle (HRC), is a risk factor for placenta accreta spectrum (PAS). This study aimed to clarify the risk factors for P…
PurposeTo evaluate clinical outcomes after endometrial receptivity analysis (ERA).MethodsThis was a multicenter, retrospective cohort study involving 861 women who underwent ERA testing at certified fertility clinics in Japan, and who recei…
BACKGROUND AND AIMS: We compared the effects of unilateral and bilateral salpingectomy for hydrosalpinx on ovarian function, oocyte retrieval, and embryogenesis. METHODS: We retrospectively examined the hospital records of 109 women with u…
PURPOSE: To evaluate the outcomes of embryo transfer (ET) and to identify the parameters influencing pregnancy outcomes. METHODS: This study included 938 ET cycles involving single frozen and thawed good-quality blastocyst (Gardner grade ≥…
PurposeTo evaluate the effectiveness of high-dose progesterone supplementation for women who are undergoing a frozen-thawed embryo transfer (FET).MethodsAmong the 2010 FET cycles that were included in the present study, 1188 were 1200 mg/d …
AIM: To evaluate whether local endometrial injury would improve the pregnancy rates after frozen-thawed blastocyst transfer in cycles with hormone replacement. METHODS: Seventy-seven patients who were aged <40 years with a history of at le…
AimOutside of Japan, recombinant-human chorionic gonadotropin (r-hCG) is widely used for the induction of final follicular maturation and early luteinization in women undergoing ovulation induction; whereas in Japan, urine-derived hCG (u-hC…