Which of the following hormones are secreted in women only during pregnancy? 

(a) Relaxin (b) Oxytocin
(c) hCG (d) hPL
(e) Progesterone

Choose the most appropriate answer from the options given below: 

1. (c), (d) and (e) only 
2. (b) and (e) only 
3. (b), (c) and (d) only 
4. (a), (c) and (d) only 
Subtopic:  Fetal Development & Parturition |
 75%
From NCERT
NEET - 2022
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
 
Assertion (A): Pregnancy is characterised by metabolic changes in the mother.
Reason (R): During pregnancy the level of thyroxine is increased in the maternal blood.

In the light of the above statements, choose the most appropriate answer from the options given below:
 
1. Both (A) and (R) are correct and (R) is the correct explanation of (A).
2. Both (A) and (R) are correct but (R) is not the correct explanation of (A).
3. (A) is correct but (R) is not correct.
4. (A) is not correct but (R) is correct.
Subtopic:  Fetal Development & Parturition |
 58%
From NCERT
NEET - 2022
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Which of these is not an important component of initiation of parturition in humans?
1. Increase in oestrogen and progesterone ratio
2. Synthesis of prostaglandins
3. Release of oxytocin
4. Release of prolactin

Subtopic:  Fetal Development & Parturition |
 54%
NEET - 2021
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Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?

1. Foetus 

2. Uterus

3. Graafian follicle

4. Corpus luteum

Subtopic:  Fetal Development & Parturition |
NEET - 2021
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In human beings, at the end of 12 weeks (first trimester) of pregnancy, the following is observed:

1. Eyelids and eyelashes are formed

2. Most of the major organ systems are formed

3. The head is covered with fine hair

4. Movement of the fetus 

Subtopic:  Fetal Development & Parturition |
 78%
From NCERT
NEET - 2020
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Match the following columns and select the correct option:

Column I Column II
(a) Ovary (i) Human chorionic Gonadotropin
(b) Placenta (ii) Estrogen & Progesterone
(c) Corpus luteum (iii) Androgens
(d) Leydig cells (iv) Progesterone only
 
Options: (a) (b) (c) (d)
1. (iv) (iii) (ii) (i)
2. (i) (ii) (iii) (iv)
3. (i) (iii) (ii) (iv)
4. (ii) (i) (iv) (iii)
Subtopic:  Seminiferous Tubules & Spermatogenesis | Ovary | Menstrual Cycle: Luteal Phase | Fetal Development & Parturition |
 91%
From NCERT
NEET - 2020
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