When the endometrial lining is thin, there is no way to help the gestational sac to implant, so there is a chance of infertility at this time. Persistent endometrial thinness is not conducive to or able to give the conditions for implantation, so at this time there is no endometrial nourishment, even after implantation there will be chances of preterm miscarriage or miscarriage, as far as possible in the follicular monitoring of the endometrial thinning, oral medications such as supplemental Jiale, estrogen to promote the growth of the uterine lining, when the growth of the uterine lining of the uterine lining of the 6-8mm, can be conception and pregnancy. Conception and pregnancy are possible at this time. Oral progesterone can also be taken after follicular rupture to increase the endometrial lining and change the secretion phase, which will help with implantation and will also help with subsequent pregnancies. During the treatment, it is important to relax and not be overly stressed or pressurized as this can cause infertility factors to occur.