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Reproductive Health - Reproductive Health: Problems and Strategies

Grade 12CBSEBiology

Review the key concepts, formulae, and examples before starting your quiz.

🔑Concepts

Reproductive Health according to WHO: Total well-being in all aspects of reproduction, including physical, emotional, behavioral, and social aspects.

Family Planning Programmes: India was the first country to initiate action plans at a national level to attain total reproductive health as a social goal. These programs were initiated in 19511951.

Reproductive and Child Health Care (RCH) Programmes: Modern programs aimed at creating awareness about various reproduction-related aspects and providing facilities and support for building a reproductively healthy society.

Amniocentesis: A prenatal diagnostic technique where a sample of amniotic fluid is taken from the uterus of a pregnant woman to analyze the chromosomal pattern of the fetal cells. It is used to detect genetic disorders like Down's syndrome, hemophilia, and sickle-cell anemia.

Statutory Ban on Amniocentesis: Implemented in India to check the menace of female foeticide, as the technique was being misused for sex determination.

Population Explosion: Caused by a rapid decline in death rate, MMRMMR (Maternal Mortality Rate), and IMRIMR (Infant Mortality Rate), along with an increase in the number of people in the reproducible age group.

Saheli: A non-steroidal, 'once-a-week' oral contraceptive pill for females with very few side effects and high contraceptive value, developed by the Central Drug Research Institute (CDRICDRI) in Lucknow, India.

📐Formulae

MMR=Total maternal deaths due to pregnancy-related causesTotal live births×100,000MMR = \frac{\text{Total maternal deaths due to pregnancy-related causes}}{\text{Total live births}} \times 100,000

IMR=Number of deaths of infants (under 1 year of age)Total live births×1,000IMR = \frac{\text{Number of deaths of infants (under 1 year of age)}}{\text{Total live births}} \times 1,000

Natural Growth Rate=Birth RateDeath Rate\text{Natural Growth Rate} = \text{Birth Rate} - \text{Death Rate}

💡Examples

Problem 1:

Calculate the status of population growth if the Maternal Mortality Rate (MMRMMR) and Infant Mortality Rate (IMRIMR) show a significant decline while the birth rate remains constant.

Solution:

The population will undergo a 'Population Explosion' or rapid growth.

Explanation:

A decline in MMRMMR and IMRIMR means more mothers and infants are surviving. If the birth rate (BB) does not decrease proportionately while the death rate (DD) falls, the growth rate (BD)(B - D) increases, leading to a rapid increase in population size.

Problem 2:

What is the specific purpose of the chromosomal pattern study in Amniocentesis?

Solution:

To detect genetic abnormalities such as Down's syndrome (Trisomy 21Trisomy\ 21).

Explanation:

Amniotic fluid contains cells from the fetus. By culturing these cells and performing karyotyping, clinicians can identify chromosomal imbalances or mutations before the child is born.

Reproductive Health: Problems and Strategies Revision - Class 12 Biology CBSE