In Thai, emergency contraception is ยากันท้อง or Ya kun tong. Both the Madonna and Postinor brands of dedicated emergency contraception (progestrin only) are available. Take two pills within 120 hours after unprotected sex. You can also use some kinds of birth control pills (progestin-estrogen combined) as emergency contraception, but dosage depends on the brand. For FMP, Jeny FMP, Nordiol, Ovidon and Ovral, take two pills within 120 hours after unprotected sex and take two more pills 12 hours later. For AnNa, Lo-Femenal, Microgest, Microgest ED, Microgynon 30 ED, Microgynon-30, Nordette, Nordette 28, Nordette-21, R-den, Riget, Rigevidon and Rigevidon 21 + 7, you must take four pills within 120 hours after unprotected sex and take four more pills 12 hours later.