BACKGROUND Modern lifestyle has led to an increase in the age at conception. Advanced
age is one of the critical risk factors for female-related infertility. It is well known that maternal …

Currently, infertility affects 8–12% of reproductive age couples worldwide, a problem that
also affects women suffering from recurrent implantation failure (RIF). RIF is a complex …

Background Our study aims to analyze the expression and significance of estrogen receptor
(ER) and progesterone receptor (PR) in endometrial tissues of patients with intrauterine …

Implantation is a critical step in the establishment of pregnancy and an important part of
embryo-maternal contact. Uterine receptivity can be affected by changes in body condition …

Introduction Advanced maternal age is associated with reduced implantation and pregnancy
rates, yet the underlying mechanisms remain poorly understood, and research models are …

宫腔粘连可引起女性闭经, 继发性不孕和反复流产等一系列症状, 经宫腔镜下宫腔粘连分离术
治疗后仍有较高的复发率, 严重影响女性的生育能力及心理健康. 雌激素辅助治疗可通过促进 …

Recurrent implantation failure (RIF) is a condition where a woman fails to obtain pregnancy
after multiple embryo transfer cycles, even with superior-quality blastocysts. There are …

Recurrent implantation failure (RIF) refers to two or more unsuccessful in vitro fertilization
embryo transfers in the same individual. Embryonic characteristics, immunological factors …

Abstract Objective Apolipoprotein E (APOE) is the most important precursor for the
production of steroid hormones and is also involved in regulating the function of steroid …

Herbal medicines are gaining popularity as an alternative treatment for women's health
problems, especially infertility. Phytoprogestins are compounds derived from natural …