MICROANATOMY

URINARY SYSTEM AND MALE FEMALE REPRODUCTIVE SYSTEMS

FEMALE REPRODUCTIVE TRACT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
True or False:A female will have an entire lifetime supply of eggs in her ovaries before puberty begins.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Females are not capable of making new eggs, and in fact, there is a continuous decline in the total number of eggs each month. By the time a girl enters puberty, only about 25% of her lifetime total egg pool remains, around 300, 000.

Detailed explanation-2: -You’re born with all the eggs you’ll ever produce. During fetal development, you have about 6 million eggs. At birth, there are approximately 1 million eggs left. By the time you reach puberty, only about 300, 000 remain.

Detailed explanation-3: -The eggs/ova are only developed once every menstrual cycle (e.g. once a month in humans). So 12 ova will be produced in a year(12 months) considering 12 menstrual cycles occur each year. But since human females have 2 ovaries that produce eggs ‘alternatively’, only 6 eggs will be produced by an ovary in a year.

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