Effects of UCA-PSCs in Women With POF

After vaginal sterilization, TVUS-guided transplantation was performed by the senior-level medical physician B Wang), using a SIEMENS ACUSON ANTANES premium edition system (SIEMENS AG Healthcae Sector, Erlangen, Germany), equipped with a 6-10 MHz probe. The solution (a total number of 2×10\^7cells, 1×10\^7 /400 μL for unilateral ovarian injection) was injected into the ovary by using 21G PTC needles (Hakko Medical Co, Japan) under TVUS guiance. Each patent received up to three transplantations.