I Am Pregnant With 20days, But I Dont Want Baby,so

i am pregnant with 20days, but i dont want baby,so i used unwanted kit ,when i take first dose pain start and next day when i take second dose period start only that day,and next day that fall short time.third day period stop but i feel vomating type,weekness,and feel full of water in my stomuch,so what can i do please answer.