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体外受精(IVF)规划的妊娠率较自然受精者低,其原因可能为实验室培育的胚胎质量上的变异,或为输送技术,或为卵巢刺激后黄体期子宫内膜内环境的改变。子宫内膜对类固醇激素的敏感性与子宫内膜细胞内受体数有关。雌二醇(E_2)及孕酮(P)受体水平改变可能与IVF规划的妊娠率低有关。本文通过测定血清E_2、P、卵泡刺激素(FSH)、黄体生成激素(LH)及催乳素(PRL)水平,子宫内膜活检及测定子宫内膜细胞浆内E_2及P受体水
Pregnancy rates for in-vitro fertilization (IVF) programs are lower than those for spontaneous fertilizers because of variations in the quality of lab-grown embryos, delivery techniques, or changes in the luteal endometrial environment after ovarian stimulation. Endometrial steroid hormone sensitivity and endometrial cells in the number of receptors. The changes of estradiol (E2) and progesterone (P) receptors may be related to the low pregnancy rate planned by IVF. In this paper, the level of serum E_2, P, follicle stimulating hormone (FSH), luteinizing hormone (LH) and prolactin (PRL), endometrial biopsy and E_2 and P receptor in endometrial cells