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由于促排卵药物的应用、宫腔内人工授精、体外授精 -胚胎移植、卵细胞胞浆内单精子注射及辅助孵化等技术的开展 ,多胎妊娠率明显增加。1 辅助生殖技术与多胎妊娠促排卵药物对于治疗无排卵性不孕症有很好的效果 ,有时也作为增加妊娠率的措施之一。促排卵药物包括常用的各种促性
Due to the application of ovulation induction drugs, intrauterine insemination, in vitro fertilization - embryo transfer, intracytoplasmic sperm injection of eggs and assisted hatching and other technologies, multiple pregnancy rates increased significantly. 1 assisted reproductive technology and multiple pregnancy ovulation drugs for the treatment of anovulatory infertility have a good effect, and sometimes as a measure to increase the pregnancy rate. Ovulation drugs include various commonly used promoters