NEET BIOLOGY

REPRODUCTION

HUMAN REPRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Approximately how long is the menstrual cycle?
A
21 days
B
28 days
C
32 days
D
18 days
Explanation: 

Detailed explanation-1: -Your menstrual cycle is the time from the first day of one period to the first day of your next period. So if you have a 28-day cycle, it takes 28 days to get from the beginning of one period to the beginning of the next.

Detailed explanation-2: -The average menstrual cycle lasts 28 days. The cycle starts with the first day of one period and ends with the first day of the next period. The average woman ovulates on day 14. At this time, some women have minor discomfort in their lower abdomen, spotting, or bleeding, while others do not have any symptoms at all.

Detailed explanation-3: -The human menstrual cycle is only the about same length as the lunar month – it isn’t synchronised with a particular phase. Charles Darwin thought that the 28-day human menstrual cycle was evidence that our ancestors lived on the seashore and needed to synchronise with the tides.

Detailed explanation-4: -This series of hormone-driven events is called the menstrual cycle. During each menstrual cycle, an egg develops and is released from the ovaries. The lining of the uterus builds up.

There is 1 question to complete.