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Periodic Abstinence

On which of t...

Question

On which of the following facts does the method of periodic abstinence is based?

A

Ovulation occurs on about the 14th day of menstruation.

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B

Ovum remains alive for about 1 - 2 days.

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C

Sperms survive for about 3 days.

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D

All of these

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Solution

The correct option is D All of these
Periodic abstinence is a method of contraception in which the couples avoid intercourse from day 10 to 17 of the menstrual cycle because ovulation can occur during this period. The chances of fertilisation are high during this period. Ovum remains alive for above 1-2 days and sperm survives for about 3 days.

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Similar questions

For how many days sperms can remain alive in female reproductive system?

When pregnancy does not occur, the life of corpus luteum is about :

(a) 4 days (b) 10 days

(c) 14 days (d) 28 days

Q. Which is/are true for ‘periodic abstinence’?

1. Abstaining from coitus from day 18 to 28 of the menstrual cycle.
2. It is a 100% effective method of birth control.
3. Spermicidal agents are used in this method to enhance the effect of contraception.
4. Abstaining from coitus from day 10 -17 of the menstrual cycle.

Q. Assertion :Periodic abstinence is a method in which couples avoid from coitus from day 17 to 27 of menstrual cycle. Reason: Periodic abstinence is a very effective method and 100% sure of birth control.

Progesterone, ovulation, 28 days, puberty, menarche, 45-50 years, menopause, fallopian tube, 13

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Fill in the blanks using the given words.
Menstrual cycle is a series of cyclic changes that occur in the reproductive system of human females with a periodicity of about ..........(1) ...........
The cycle begins with ..........(2)...........
The first menstruation is called as ..........(3) ...........
It stops between age of .........(4) ............
Stoppage of menstruation permanently is called as ........(5) .............
At about the middle of the menstrual cycle on .........( ) ..........., the growing follicle bursts and mature ovum is released from the ovary under the influence of higher levels of estrogen and LH.
The phenomenon is called as .........(7)..............
The empty follicle grows into corpus luteum that secretes hormone ........... (8) ..........
The released ovum is drawn into ..................(9) ...................... with the help of inward lashing movements of its internal cilia.
It rests for 1-2 days in the ampulla.
The period is called as fertility period.
Pregnancy can occur only during this phase.

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Periodic Abstinence

Standard XII Biology

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