Question

The period of duration between fertilization and parturition is called

• A. gestation
• B. ovulation
• C. lactation
• D. menstruation

Answer 1

Answer:

A. gestation

Implantation :

Attachment of the Blastocyst on the inner wall of the uterus (Endometrium) is called implantation.

Gestation :

• Embryonic development within the uterus of a mother is called gestation.
• Human gestation period is 9 months.

Or 

• The duration between fertilization and parturition is called gestation.

Parturition :

• Delivery of the baby is called parturition.