Natural methods for contraception work on the principle of:

1. Preventing fertilization          

2. Preventing implantation

3. Preventing ovulation             

4. Preventing embryo development

The days of the menstrual cycle during which coitus is avoided in periodic abstinence are:

Amenorrhea is:
1. Abnormal menstruation             

2. Excess menstruation

3. Absence of menstruation           

4. Scanty menstruation

Lactational amenorrhea method of contraception is based on the fact that:
1. Ovulation and menstrual flow does not occur post conception during intense lactation
2. The cervix mucus becomes hostile to sperms after parturition during intense lactation
3. Ovulation and menstrual flow does not occur post partum during intense lactation
4. The endometrium is reabsorbed rather than sloughed off during intense lactation

Lactational amenorrhea is effective up to a maximum period of:
1. 3 months
2. 6 months
3. 9 months
4. 12 months

Barrier methods for contraception work on the principle of:
1. Preventing fertilization
2. Preventing implantation
3. Preventing ovulation
4. Preventing embryo development

Which of the following barrier contraceptives are not exclusive for use in females?
1. Diaphragms
2. Cervical caps
3. Vaults
4. Condoms

A major non contraceptive advantage of barrier contraceptives is that they prevent:
1. Cancer breast
2. STI
3. Ectopic pregnancies
4. Menstrual irregularities

To increase their contraceptive efficiency, the barrier contraceptives in females are used with:
1. IUDs
2. OCPs
3. Spermicidal chemicals
4. Implants

Which of the following IUDs is non medicated?
1. Lippes loop
2. Cu – T
3. Cu – 7
4. LNG – 20