Answer:
January 22.
Explanation:
The delivery date may be defined as the date on which the pregnant female give birth to the offspring. She completes her gestation period of nine months and ready to give birth to the baby.
The expected delivery date can be calculated by the Nagele rule. According to this rule, 3 months must be subtracted from the menstrual period occur at last and then add the 7 days to it. So, by applying this rule the expected delivery date comes out to be 22 January.
Thus, the correct answer is option (2).