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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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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 4: Reproductive Health - VERY SHORT ANSWER [पृष्ठ २६]

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

संबंधित प्रश्न

Is the use of contraceptives justified? Give reasons.


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


State True/False with explanation.

Complete lactation could help as a natural method of contraception.


Correct the following statement:

Surgical methods of contraception prevent gamete formation.


Short answer question.

Comment on any two mechanical contraceptive methods.


______ is not a permanent method of birth control.


How is contraception achieved by a contraceptive pill?


How is contraception achieved with intra uterine devices such as copper T and loop?


Choose the correct option:

Sterilisation techniques are generally fool proof methods of contraception with least side effects. Yet, this is the last option for the couples because:

  1. It is almost irreversible
  2. Of the misconception that it will reduce sexual urge/drive
  3. It is a surgical procedure
  4. Of lack of sufficient facilities in many parts of the country

Emergency contraceptives are effective if used within ______.


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.


Mention two advantages of lactational amenorrhea as a contraceptive method.


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.


Which of the following statement is incorrect?


Name any two birth control measures which have high chances of failure.


The diagram represents a surgical sterilization method in males. Study the same and answer the questions that follow :

  1. Give the name of the surgical method represented in the diagram.
  2. Which part is ligated or cut?
  3. Name the corresponding surgical method conducted in females.

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