What are the three methods which prevents us from unwanted pregnancy?

Study Group
#1

what are the three methods which prevents us from unwanted pregnancy?

I know 2 methods only

  1. Temporary 2) Perminant

In temporary:-
a)Oral pills(Spermicides),
b)Condoms(male&female),
C)Cervical Caps,
D)Diaphragm,
E)Intra Uterine Devices

In Permanent:-
Vasectomy & Tubectomy

1 oral pill
2 barrier method
3 surgical method