Hi ive resently had a blood test done and I don't know what the medication is called? But they took a blood test then gave me some sort of medicine and half hour later took another blood test. My problem is that shortly after this i had my 1st period in 6yrs. I'm wondering if they fact they did this test 3 times as they did it rong twice, is if this is the why and if so how long it will stay in my system? Like if im going to have a few more periods while it works its way out of my body? Id be ve