Professor YOU Zhao-ling applies the method of invigorating the spleen and nourishing the uterus to help pregnancy and the method of containing, supporting, tying and consolidating to prevent miscarriage, which were usualy used in some cases, such as infertility due to poor endometrial receptivity or follicular dysplasia, recurrent abortion, repeated embryonic implantation failure in IVF-ET and so on. Professor YOU’s emphasizes the spleen and kidney and proposes to prevent miscarriage according to different phases of pregnancy. In the first 40 ...