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.
Half-life durations can run from two to 12 hours depending on the type of amphetamine and route of ingestion used. Half-life cycles are multiples of the standard half-life time window. On average, up to 90 to 95 percent of amphetamines leave your system after four half-life cycles. This means, 90 to 95 percent of amphetamine materials leave your system within eight to 48 hours provided youâre in good health.