月经初潮后8CV4始的5~7年,由于中枢QRp7反馈机制尚u4vW成熟,卵泡TmMT能正常排卵vMvK月经常不规cn6p[1]。
Tosomeforeigners,thecontentofthedocumentarymightbefullofcliché,buttotheChinese,thedeeply-embeddedmemoriesareeasilyevoked.