Advertisements
Advertisements
Question
Explain any two ways by which IUDs devices act as contraceptives.
Advertisements
Solution
- Copper-releasing IUDs produce copper ions, which reduce sperm motility and fertility.
- Copper-releasing IUDs make it tougher for a fertilised egg to implant in the uterus.
APPEARS IN
RELATED QUESTIONS
An infertile couple is advised to adopt test-tube baby programme. Describe two principle procedures adopted for such technologies.
Fill in the blank:
The hormone produced by the testis is _______.
The highly sophisticated procedure of directly injecting a sperm into an egg is called ______.
The test-tube baby programme employs which one of the following techniques?
Which of the following is a non-medicated intrauterine device (IUD)?
Identify the correct reasons for infertility.
(i) Drugs
(ii) Diseases
(iii) Congenital
(iv) Use of Contraceptives
(v) Immunological or psychological
(vi) Assisted reproductive technology
The test-tube baby programme employs which one of the following techniques?
What are the Assisted Reproductive Techniques practised to help infertile couples? Describe any three techniques.
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.
Given below are Column A with a list of certain Assisted Reproductive Technologies (ART) and in Column B the procedures followed during ART:
| Column A | Column B | ||
| S. No. | Names of ART | S. No. | Procedures |
| (A) | GIFT | (i) | Transfer of ovum from a donor into the fallopian tube of another female. |
| (B) | ICSI | (ii) | Transfer of semen from the donor into the vagina of the female. |
| (C) | ZIFT | (iii) | Injecting sperm directly into the ovum. |
| (D) | IUI | (iv) | Transfer of early embryos into the fallopian tube. |
Choose the option where ART correctly matches with the procedure.
