PurposeTo investigate potential differences in pregnancy outcomes among patients with regular menstruation who underwent frozen-thawed embryo transfer using natural cycle (NC) or hormone replacement therapy (HRT).MethodsThis study retrospec…
BackgroundTo investigate whether the endometrial thickness change ratio from the progesterone administration day to the blastocyst transfer day is associated with pregnancy outcomes in a single frozen-thawed euploid blastocyst transfer cycl…
Background Some studies have demonstrated that adenomyosis patients can achieve a comparable pregnancy outcome with women with normal uteruses, while there is no unanimous conclusion at present. Method We recruited 65 adenomyosis patients a…
BackgroundCurrently, in China, only women undergoing in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) cycles can donate oocytes to others, but at least 15 oocytes must be kept for their own treatment. Thus, the aim of this…
Background: Studies have shown that patients with a thin endometrial thickness (EMT 5). In binary logistic regression analysis, age (OR=0.09, P=0.03), number of embryos available(OR=1.71, P=0.00), and uterine condition (OR=6.77, P=0.00 for …
RESEARCH QUESTION: Which factors are related to early spontaneous miscarriage in IVF-conceived clinical pregnancies? DESIGN: A total of 21,485 clinical pregnancies were included in the analysis. First, early spontaneous miscarriage rates w…
BACKGROUND Patients with endometriosis (EMs) are routinely advised to take GnRH-a for 3-6 months to improve the internal reproductive environment, but this may not be necessary. MATERIAL AND METHODS This retrospective study examined the eff…
BACKGROUND: Patients with endometriosis (EMs) are routinely advised to take GnRH-a for 3–6 months to improve the internal reproductive environment, but this may not be necessary. MATERIAL/METHODS: This retrospective study examined the effec…
BACKGROUND: Endometriosis is the major cause of progressive pelvic pain and subfertility. Up to 50% of reproductive-age women suffer from pelvic pain. Endometriosis is a classic indication for IVF. Compared with women whose inability to pro…
In order to explore the relationship between serum progesterone (P) level on the day of human chorionic gonadotrophin (HCG) administration and cumulative live birth rate in patients with different ovarian response during in vitro fertilizat…