หนัง AV HMN-221: พยาบาลสาวกับความลับในห้องตรวจ
Oocyte high quality and quantity are crucial determinants of reproductive lifetime span and achievements. These variables are shaped partly via the elimination of oocytes that experience problems in the early stages of meiosis. Meiotic prophase-I marks an prolonged period of genome vulnerability by which epigenetic reprogramming unleashes retroelem