मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

What is the significance of progesterone-estrogen combination as a contraceptive measure?

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प्रश्न

What is the significance of progesterone-estrogen combination as a contraceptive measure?

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उत्तर

Oral administration of small doses of progesterone-estrogen combination is a contraceptive measure which inhibit ovulation and implantation as well as alter the quality of cervical mucus to prevent/retard the entry of sperms.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Reproductive Health - VERY SHORT ANSWER [पृष्ठ २६]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
पाठ 4 Reproductive Health
VERY SHORT ANSWER | Q 7. | पृष्ठ २६

संबंधित प्रश्‍न

What are the suggested reasons for population explosion?


Removal of gonads cannot be considered as a contraceptive option. Why?


Correct the following statement:

Surgical methods of contraception prevent gamete formation.


______ is not a permanent method of birth control.


What is the method of male known as?


How is contraception achieved by a contraceptive pill?


Which of the following are chemical barriers used as contraceptives?


Choose the right one among the statements given below.


Match List - I with List - II.

List I List II
(a) Vaults (i) Entry of sperm through
Cervix is blocked
(b) IUDs (ii) Removal of Vas deferens
(c) Vasectomy (iii) Phagocytosis of sperms
within the Uterus
(d) Tubectomy (iv) Removal of the fallopian tube

Choose the correct answer from the options given below.


Which one of the following is an example of Hormone releasing IUD?


What are the advantages of natural methods of contraception over artificial methods?


All reproductive tract infections RTIs are STDs, but all STDs are not RTIs. Justify with example.


Discuss the mode of action and advantages/disadvantages of hormonal contraceptives.


Given below are four contraceptive methods and their modes of action. Select the correct match:

Method Mode of action
a) Condom (i) Ovum not able to reach Fallopian tube
b) Vasectomy (ii) Prevents ovulation
c) Pill (iii) Prevents sperm reaching the cervix
d) Tubectomy (iv) Semen contains no sperms

Identify the incorrect statement regarding ‘Saheli’.

  • Statement I: It's an oral steroid contraceptive developed by ORI.
  • Statement II: It has a low contraceptive value and a high chance of side effects.

Which of the following is a hormone-releasing contraceptive?


Given below are certain situations. Analyse the situation and suggest the name of suitable contraceptive device along with mode of action.

Situation Requirement of contraceptive for - Name of contraceptive device Mode of action
1 blocking the entry of sperms through cervix ______ ______
2 spacing between children ______ ______
3 effective emergency contraceptive ______ ______
4 terminal method to prevent any more pregnancy in female ______ ______
5 sterilization in male ______ ______

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