Progesterone alone or in combination with estrogen can also be used as contraceptives by females as injections or implants under their skin. When used in this manner, they:

1. do not affect the release of the ovum

2. induce a foreign body reaction leading to rejection of the implanted blastocyst

3. can cause increased risk of ectopic pregnancy

4. have a much longer effective period

Emergency contraception is administering any of the following within 72 hours of unprotected sexual activity except:
1. Combination pill
2. IUD
3. Large amount of prgesterone
4. Large amount of estrogen

Consider the two surgical procedures given below and choose the correct statement:

1. A is a more difficult procedure than B.

2. The reversibility of A is good but that of B is very poor.

3. A will make the male impotent and B will make the female infertile.

4. Both A and B can be called sterilization procedures.

Match the following sexually transmitted diseases (Column - I) with their causative agent (Column - II) and select the correct option.

      A    B    C   D

(1) (ii) (iii) (iv) (i)

(2) (iii) (iv) (i) (ii)

(3) (iv) (ii) (iii) (i)

(4) (iv) (iii) (ii) (i)

The function of copper ions in copper releasing IUD’s is

(1) they suppress sperm motility and fertilising capacity of sperms

(2) they inhibit gametogenesis

(3) they make uterus unsuitable for implantation

(4) they inhibit ovulation

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

(1) Intrauterine Transfer

(2) Gamete intracytoplasmic fallopian transfer

(3) Artificial Insemination

(4) Intracytoplasmic Sperm Injection

Which of the following is hormone-releasing IUD?

(1) LNG-20

(2) Multiload-375

(3) Lippes loop

(4) Cu-7

Embryo with more than 16 blastomeres formed due to in vitro fertilisation is transferred into

(1) uterus

(2) Fallopian tube

(3) fimbriae

(4) cervix

Which of the following approaches does not give the defined action of contraceptive?

(1) Intra uterine devices               Increase phagocytosis of sperms, suppress sperm motility and fertilising capacity of sperms

(2) Hormonal contraceptives         Prevent/ retard entry of sperms, prevent ovulation and fertilisation

(3) Vasectomy                             Prevents spermatogenesis

(4) Barrier methods                     Prevent fertilisation

In context of amniocentesis, which of the following statement is incorrect?

1. It is used for prenatal sex determination

2. It can be used for detection of down syndrome

3. It can be used for detection of cleft palate

4. it is usually done when a woman is between 14-16 weeks pregnant