मराठी

Give four causes of infertility in males. - Biology (Theory)

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प्रश्न

Give four causes of infertility in males.

दीर्घउत्तर
लघु उत्तर
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उत्तर १

  1. Cryptorchidism: Failure of descend of testis from the abdomen in the scrotum
  2. Oligospermia: Low sperm count
  3. Asthenospermia: Decreased motility of sperm
  4. Hormone Imbalance: Decrease testosterone and excessive estradiol secretion (from adrenal glands) leading to virilism
  5. Infection: Like orchiditis (Inflammation of testis)
  6. Impotency: Failure of erection
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उत्तर २

  1. Poor sperm production, which may result in too few sperm cells (oligospermia), lack of sperm mobility, or sperms that are deformed or dead.
  2. Blockage of the tubes between the testes and seminal vesicles, which may be caused by infection or other issues.
  3. Insufficient or defective fluid from the prostate that is unable to sustain live sperm.
  4. Other factors such as cryptorchidism (undescended testes), hyperthermia (high temperature in the scrotal sac due to tight undergarments), blockage of vas deferens, alcoholism, infection with mumps virus after puberty, deficiency of gonadotropins, ejaculation defects, and exposure to radiation.

These causes affect sperm quality, quantity, or delivery, leading to male infertility.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Reproductive Health - BOARD EXAMINATION QUESTIONS [पृष्ठ १४०]

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नूतन Biology [English] Class 12 ISC
पाठ 4 Reproductive Health
BOARD EXAMINATION QUESTIONS | Q 5. | पृष्ठ १४०

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Suggest some methods to assist infertile couples to have children.


Multiple choice question.

Test tube baby technique is called _______.


Fill in the blank:

Sperm fertilizes ovum in the _______of fallopian tube.


In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation?


Which method can be used for women that cannot produce ovum but can provide suitable environment?


In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube?


An infertile couple was advised to undergo In vitro fertilization by the doctor. Out of the options given below, select the correct stage for transfer to the fallopian tube for successful results.


Read the given below statements carefully and state whether the following are true (T) or false (F).

  • I - MOET is one of the methods of IVF.
  • II - ICSI is a method useful only for males who are unable to inseminate.
  • III - MTP is considered safe during the first 1 week of pregnancy.
  • IV - LNG-20, multi-load 375 are hormone-releasing IUDs.
  • V - Steroids inhibit ovulation and implantation.

Choose the correct option regarding the above-given statements.


Placed below are case studies of some couples who were not able to have kids. These couples are not ready for adoption or taking gametes from donors. After thoroughly examining the cases, which Assisted Reproductive Technology will you suggest to these couples as a medical expert? Explain briefly with justification of each case.

Couple Test reports of
Female partner
Test reports of male partner
Couple 1 Normal reports Normal sperms in testes, Missing connection
in epididymis and Vas deferens.
Couple 2 Blockage in the fallopian tube Normal reports
Couple 3 Normal reports Poor semen parameters in terms of count,
motility and morphology.
Couple 4 low ovarian reserve Normal reports
Couple 5 Sterilization in male Morphologically abnormal sperms

Write the long form of GIFT.


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