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.
There are two types of adderall. 1  Adderall Instant Release Tablets - On average these last approximately 4-6 hours and can be taken 1-3 times a day.  Adderall Extended Release Capsules - On average these last 10-12 hours and are only supposed to be taken once a day.