Vemale Reproduction Diagram
Just as increased estrogen causes the production of fertile cervical fluid that aids conception by promoting sperm nourishment and migration, estrogen also produces observable changes in the cervix that also facilitate conception. To allow the passage of sperm from the cervix into the uterus, the cervix opens, softens, and heightens before ovulation. After ovulation, the cervical os closes, returns to a lower position, and the cervical tissues again become firmer.
Major Points:
1. Cervix Position (CP) is a secondary, optional fertility sign.
2. The cervix changes throughout the menstrual cycle in response to the hormone, estrogen.
3. During non-fertile times, the cervix is closed, firm and low.
4. As ovulation approaches and fertility is high, the cervix opens up, becomes soft and high and is harder to reach.
PR: 
LD: 
I: 
Rank: 
C: 
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