My last period first day is aug 6 and I had 5 days periods on that cycle I had sex on aug 28 30 31 and one time I had unprotected sex not fully for few minutes from sep 2 night I got indigestion and I taken vomit 5 times Tuesday morning before food I have vomit one time and little stomach on whole day again from Wednesday afternoon to till now I have diarrhea and i greeting vomiting sensation frequently when I smell cooking and all and chance to be in pregnancy or food poision if I want take pregnancy test on urine or blood when I want to take