If you had unprotected sex during your period and are concerned that you may be pregnant, look out for symptoms like mild lower abdominal cramping, spotting (implantation spotting, a fairly common cause of bleeding once the egg has been fertilized), breast tenderness and moodiness.
Get help from a doctor now âº. The half life is 10: Hours. For a drug to leave your system it takes 5 half-lives or 50 hours, so about 2 days.
Generally speaking, alcohol leaves your system at a rate of .015 per hour. Still using the two examples above, there would be no measurable alcohol in the woman's body in about 6-1/4 hours, and the man's body in about 2-3/4 hours. Below is a list of BACs and the approximate time it takes for alcohol to leave your system. 1  A BAC of .02 will take about 1.33 hours to leave your system. 2  A BAC of .05 will take about 3.33 hours to leave your system. 3  A BAC of .08 (the legal limit in the United States) will take about 5.33 hours to leave your system.