Question

explain two techniques that have been developed to prevent pregnancy​

Answer 1

Answer:

Three techniques that have been developed to prevent pregnancy are :

(i) Barrier method : Physical methods such as condom, diaphragm and cervical caps are used to prevent entry of sperms in females.

(ii) Chemical methods : Drugs such as oral pills and vaginal pills are used by females

Answer 2

Explanation:

1. Condom.

2. Oral contraceptive pills.