Natural methods for contraception work on the principle of:

1.	Preventing fertilization
2.	Preventing implantation
3.	Preventing ovulation
4.	Preventing embryo development

Lactational amenorrhea is effective up to maximum period of:

1. 3 months

2. 6 months

3. 9 months

4. 12 months

The ideal contraceptive for females who want to delay pregnancy and/or space children is:

1 Barrier contraceptive

2. Periodic abstinence

3. IUD

4. Hormonal pills

Emergency contraceptive methods must be employed within:

Identify the incorrect statement regarding surgical birth control methods:

ART [used to help infertile couples] stands for:

1. Assisted Reproductive Technologies

2. Artificial Reproductive Technologies

3. Augmented Reproductive Technologies

4. Anomalous Reproductive Technologies

In 'test-tube baby' procedure:

1. Fertilization is in-vitro but embryo development is in-vivo

2. Fertilization is in-vivo but embryo development is in-vitro

3. Both fertilization and embryo development are in-vitro

4. Both fertilization and embryo development are in-vivo

Transfer of an ovum collected from a donor into the fallopian tube of another female is called as:

1. ZIFT

2. GIFT

3. SUZI

4. ICSI

Vasectomies:

Periodic abstinence is a natural method of contraception where the couples avoid or abstain from coitus during the period of the menstrual cycle when: