The average duration of human pregnancy is about 9 months. What is it called?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Gestation period.
In humans the average duration of pregnancy is about 9 months, and this is called the gestation period. At its end, vigorous contractions of the uterus cause the delivery of the foetus, which is called parturition.
NCERT Extract:
Parturition and Lactation – “The average duration of human pregnancy is about 9 months which is called the gestation period. Vigorous contraction of the uterus at the end of pregnancy causes expulsion/delivery of the foetus. This process of delivery of the foetus (childbirth) is called parturition.”