Write full form of IUCD, HIV, AIDS, OC.

The full form of the terms are:

i) IUCD- Intra-Uterine Contraceptive Device

1. It is recognized as a T-shaped birth control device.
2. It is inserted into the uterus to prevent pregnancy.

ii) HIV-Human Immunodeficiency virus

1. It causes AIDS (Acquired immunodeficiency syndrome).
2. HIV attacks the T cells of the immune system in the body.

iii) AIDS- Acquired Immuno Deficiency Syndrome

1. AIDS is caused by the human immunodeficiency virus.
2. It leads to the weakening of the immune system as it attacks T-cells.

iv) OC- Oral contraceptives

1. It is referred to as the birth control pill (a combination of estrogen and progesterone).
2. These pills are intended to prevent pregnancy.