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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? - Biology

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

संबंधित प्रश्न

What are the suggested reasons for population explosion?


A mother of a one-year-old child wanted to space her second child. Her doctor suggested 'copper- T' Explain its contraceptive action. 


______ is not a permanent method of birth control.


Amniocentesis can be used to determine ______.


How is contraception achieved by a contraceptive pill?


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

Condoms are one of the most popular contraceptives becuase of the following reasons.


Diaphragms are contraceptive devices used by the females.

Choose the correct option from the statements given below:

  1. They are introduced into the uterus
  2. They are placed to cover the cervical region
  3. They act as physical barriers for sperm entry
  4. They act as spermicidal agents

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


The present population growth rate in India is alarming. Suggest ways to check it.


Copper ions-releasing IUDs are more efficient than non-medicated methods. Why?


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


Comment on the essential features required for an ideal contraceptive.


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

Which of the following statement is incorrect?


Which of the following is a hormone-releasing contraceptive?


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