Answer:
never
Step-by-step explanation:
The egg is not released in the the female body during the stages of pregnancy .
In the female body , after the age of puberty , the female body starts to produce egg , i.e. she is capable to give birth to a child , but , in case the egg does not get fertilized by the male sperm , the egg in the female body break down and get out of the body in the form of mensural blood .
But if the egg is fertilized , the stages of pregnancy starts and the female body stops to produce more eggs .