The function of the cervix in fertility.

摘要: Recent advances and new findings relative to the role of cervix in fertility are reported this review. Cervical mucus which may include small amounts endometrial tubal possibly follicular secretions is produced at a rate 20-60 mg/day normal reproductive age women. This increases up 700 during immediate preovulation phase. To examine physical properties cervical factor assessments should determination amount viscosity ferning spinnbarkeit cellularity pH cultural studies if infection suspected. The clinical evaluation requires quality its functional ability interaction with sperm since it now appears that stored released continuously upper part tract; addition present evidence indicates acts as barrier or trap for sluggish abnormal sperms. In terms infertility postcoital tests most useful an adequate number motile endocervix favorable assumed can be ruled out cause infertility.