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Reproductive Health

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Amniocentesis is a prenatal diagnostic technique to determine the genetic disorders in the foetus.

Methods of prevention of STDs. (1) People should be educated about various STDs. (2) Avoid multiple sexual partners. (3) Do not have sex without proper precaution.

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Reproductive Health

Master Wellness, Family Planning, and Prevention Systems in Minutes Learn about the physical and social aspects of human development, explore the mechanisms of diverse birth control methods, and master the high-yield classifications of sexually transmitted pathogens.

Class: 10 Science (CBSE)

Chapter: How do Organisms Reproduce?

Estimated Learning Time: 15–20 Minutes

1.0Learning Outcomes

After completing this lesson, you will be able to:

  • Define reproductive health and explain its importance during adolescence.
  • Classify the four main categories of contraceptive methods and describe how they function.
  • Distinguish between bacterial and viral Sexually Transmitted Infections (STIs).
  • Analyze why certain contraceptive approaches fail to provide protection against infectious diseases.

Reproductive Health: Sexually Transmitted Diseases (STDs)

There are many infectious diseases which are spread by sexual contact, called Sexually Transmitted Diseases (STDs) e.g. AIDS, Hepatitis, genital warts etc.

STDs occur mostly in the individuals who are involved in sexual activities with many partners.

2.0Methods of Prevention of STDs

(i) The people should be educated about various STDs.

(ii) Avoid multiple sexual partners.

(iii) No sex without proper precaution.

(iv) Finding sources of infection and treating them.

Name of STDs

Causative Organism

Symptoms

AIDS

(Acquired Immuno-Deficiency Syndrome)

HIV

(Human Immuno-

Deficiency Virus)

Destroy the immune system of body.
Persistent cough and fever.
Body attacked by other diseases like pneumonia, T.B. and certain cancers.

Syphilis

Treponema pallidum

(a bacterium)

Causes sores and lesions in the genital tract. Burning sensation at urination.

Gonorrhoea

Neisseria gonorrhoeae

(a bacterium)

Infects mucous membranes of the urinogenital tract.

Genital discharge, painful urination.

Trichomoniasis

Trichomonas vaginalis

(a protozoan)

Vaginal irritation, itching and discharge.

Genital warts

Human papilloma virus

Vaginal discharge, itching, bleeding, burning sensation.

3.0Methods of Contraception

The prevention of pregnancy in women is called contraception.

Planned control of population

(i) By educating people about the advantages of small family.

(ii) Raising the age of marriage can help in reducing population growth.

(iii) By family planning.

Natural method

Intercourse is safe for a week before and week after menstruation.

Mechanical methods 

(i) It includes use of condoms which are the rubber or plastic sheets put on the penis before coital activity.

(ii) Use of diaphragms or cervical caps fitted in vagina of female to check the entry of sperms into the uterus and also helps in avoiding conception.

(iii) Use of IUCD i.e., Intra Uterine Contraceptive Devices like copper T and loops fitted in the uterus, help to prevent fertilization and implantation of embryo. They can cause side effects due to irritation or infection of uterus.



(i) It consists of using some chemicals which are spermicidal. They may be in form of tablets, jellies, paste and creams introduced in the vagina before coital activity.

(ii) Another chemical method is the use of oral contraceptive (OC) pills which inhibit the secretion of FSH (Follicle Stimulating Hormone) and LH (Leutinising Hormone) from the anterior lobe of pituitary gland and thus inhibiting ovulation from the ovary. These contraceptives therefore change the hormonal balance so that egg cell is not released (inhibit ovulation) and hence prevent fertilization.

Surgical methods 

(i) Tubectomy involves cutting of fallopian tubes in females and Vasectomy involves cutting of vas deferens of each side in males.


(ii) Surgical removal of ovaries is known as ovariectomy and removal of testes is known as castration.

(iii) Another surgical method is MTP i.e. Medical Termination of Pregnancy or abortion.

(iv) Other method is tubal ligation in which fallopian tubes are blocked by an instrument called laproscope.

• In tubal ligation, the fallopian tubes are blocked but eggs continue to be produced because the ovaries are intact. Eggs fail to pass into the uterus and sperms fail to reach the eggs for fertilization.

• Amniocentesis is a prenatal diagnostic technique to determine the genetic disorders in the foetus. Amniocentesis is being misused to kill the normal female foetuses as it can help to detect the sex of foetus also. Determination of sex by amniocentesis has been banned.

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5.0Supporting Study Materials

This study material, CBSE Notes, and NCERT Solutions for the Chapter "How do Organisms Reproduce?" on the Reproductive Health topic is designed according to the latest CBSE Class 10 Science syllabus and NCERT guidelines. It provides clear explanations of key concepts, definitions, structural processes, and societal health impacts to help students master human reproductive biology and prepare effectively for examinations.

CBSE Class 10 Science Notes Chapter 7 How Do Organisms Reproduce?

NCERT Solution Class 10 Science Chapter 7: How Do Organisms Reproduce

6.030-Second Quick Revision

  • Reproductive Health: Complete physical, emotional, and social wellness of the reproductive system.
  • Surgical Paths: Vasectomy ties the male vas deferens; Tubectomy ties the female fallopian tubes.
  • Chemical Drawback: Hormonal contraceptive pills alter natural body cycles but offer no barrier against pathogens.
  • Pathogen Check: Bacterial = Gonorrhea & Syphilis (Curable via antibiotics); Viral = Warts & HIV-AIDS (Incurable via antibiotics).
  • Barrier Priority: Condoms are unique because they block both pregnancy and STIs simultaneously.

7.0PREVIOUS YEAR QUESTIONS (PYQs)

Q1. Name two bacterial and two viral sexually transmitted infections (STIs) in humans. How can the transmission of these diseases be prevented? (CBSE Board)

Solution:

  • Bacterial STIs: Gonorrhea and Syphilis.
  • Viral STIs: Genital Warts and HIV-AIDS.
  • Prevention Strategies:
    1. Using Mechanical Barriers: Consistently using condoms during sexual activity physically blocks the transfer of bodily fluids and skin-to-skin contact where pathogens reside.
    2. Avoiding Contaminated Needles: Ensuring that medical syringes, needles, or tattooing equipment are sterile and never shared avoids blood-borne viral transmission like HIV.
    3. Monogamous Relationships: Restricting sexual contact to a single, uninfected partner reduces exposure vectors.

Q2. Why is the use of a Copper-T unable to protect a individual from catching a Sexually Transmitted Infection? (CBSE Board)

Solution:

  • Step 1: Explain the functional mechanism of the device. The Copper-T is an Intrauterine Contraceptive Device (IUCD) placed deep inside the female uterus by a doctor. Its sole function is chemical and mechanical containment inside the womb, acting to suppress sperm motility and prevent a fertilized egg from implanting.
  • Step 2: Contrast this with how pathogens travel. Because the Copper-T sits fully inside the upper reproductive tract, it does not form a physical covering over the vaginal lining. Fluid and skin contact still occur during intimacy, allowing bacteria and viruses to freely cross paths. Since it lacks a structural external barrier, it provides no protection against STIs.

8.0Recommended Next Topics

  • Human Male and Female Reproductive Anatomy
  • Sexual Reproduction in Flowering Plants (Pollination and Double Fertilization)
  • Heredity: Monohybrid, Dihybrid Crosses, and Sex Determination in Humans
  • Our Environment: Food Chains and Biological Magnification

Table of Contents


  • 1.0Learning Outcomes
  • 2.0Methods of Prevention of STDs
  • 3.0Methods of Contraception
  • 3.1Planned control of population
  • 3.2Natural method
  • 3.3Mechanical methods 
  • 3.4Surgical methods 
  • 4.0EUREKA by ALLEN - Learn Smarter for Class 10 Exams
  • 5.0Supporting Study Materials
  • 6.030-Second Quick Revision
  • 7.0PREVIOUS YEAR QUESTIONS (PYQs)
  • 8.0Recommended Next Topics