Drug Use - All of the disorders producing stroke in toddlers and school-aged children may still produce stroke in adolescents. However, an increasing percentage of strokes, of both ischemic and hemorrhagic types, occur in relation to drug use. The most common drug causing stroke is cocaine in its smoked form (crack).
Implantation occurs 4-14 days after ovulation or sex. 4 is really early and not that common but it can happen. Implantation bleeding is brown (light or dark) or pink. The spotting lasts no more than 3 days, usually only about 1.
When does implantation occur? Actually, any time between the 3rd and 12th day after ovulation. That makes a 10-day interval. Usually blastocyst implants on the 8-10th DAO.