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Introduction to the Female Reproductive System

Differentiate...

Question

Differentiate between parturition and lactation. [3]

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Solution

Parturition: Parturition is the process of delivery of the foetus (childbirth). It is induced by a complex neuroendocrine mechanism. [1.5]

Lactation: Lactation is the process in which mammary glands of the female undergo differentiation during pregnancy and starts producing milk towards the end of pregnancy. This helps the mother in feeding the newborn. [1.5]

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Q. Differentiate between :
Implantation and parturition

Q. Lactational amenorrhea is a natural method of birth control and is usually effective upto ____________ after parturition.

Lactational amenorrhea is a kind of periodic abstinence in which chances of fertilization is prevented upto a maximum period after parturition is

Q. Find the correct statements.
a. By the end of

2^{n d}

month of pregnancy, foetus limbs and digits develop
b. By the end of

1^{s t}

trimester, most of the major organs are formed in basic form.
c. Signal for parturition originates from fully developed foetus and placenta
d. Lactation starts after the end of pregnancy period

Q. Choose the correct answer among the alternatives given :
What is true for lactational amenorrhea?
(i) It means absence of menstruation.
(ii) Ovulation does not occur during the lactational period.
(iii) Chances of contraception are almost nil upto six months following parturition.
(iv) Side effects are almost nil
(v) Contraceptive efficiency reduces after the period of intense lactation.
(vi) It is a natural method of contraception.
(vii) It increases phagocytosis of sperms.

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