The egg that is released during the process of ovulation survives for only 24 hours, explains Dr. Hakakha. Most women have normal 28- to 32-day cycles, and if someone with this cycle has an average two- to eight-day period, she will not get pregnant during her period.
Adderall takes about 20-30 minutes to begin working on a physiological level.t If you are asking when it starts working behaviorally, that depends on the dose. It can take up to 2 weeks to determine the proper amount. Start with 5 mg.
As a rough guide it takes about 5.5 half lives for a drug to be out of your system. For adderall then it would take just over 2 days for a dose to be out of your system. (5.5 x 10 = 55 hours - which is just over 2 days) You should allow for longer (7 days) if you have taken adderall frequently and at high doses.