Categorise the given birth control methods into three groups with proper heads.
Cervical caps, Vasectomy, Cu T, Tubectomy, Diaphragms, Condom, Lippes Loop.

A list of contraceptive methods are given. Categorise them into natural, barrier, IUDS. Oral contraceptives, Surgical. Condoms. Coitus interruptus, Diaphragms, Vasectomy, Copper T, Pills, LactationalAmenorMea, Loop. Tubectomy, Cervical caps, Cu 7, Periodic Abstinence.

Given below are four methods and their modes of action in achieving contraception. Match the following. a) Pill - Prevents sperm reaching cervix b) Condom - Prevents implantation c) Vasectomy - Prevents ovulation d) Copper T - Semen contain no sperm.