Can't get pregnant? What happened to the uterus? Acupuncture improves endometrial receptivity to get pregnant naturally and via IVF.
Endometrial receptivity (ER) refers to the ability of the endometrium, or uterine lining, to accept embryos for implantation, which is a crucial step in achieving pregnancy. ER undergoes changes throughout the menstrual cycle, and there are only a few days when the uterine lining is optimal for embryo implantation. This timeframe, known as the implantation window, typically occurs 6-10 days after ovulation, which falls between the 20th and 24th day of a normal menstrual cycle. Research has indicated that a thin endometrium is closely associated with a low pregnancy rate. When the average size of follicles reaches 18 mm and the endometrial thickness is less than 7.0 mm, embryo implantation is greatly affected. While higher-quality embryos are typically selected for transfer in in vitro fertilization-embryo transfer (IVF-ET) cycles, only a few of them successfully implant. Studies have shown that up to 75% of pregnancy losses can be attributed to implantation failure, with two-thirds of ...