Period 6/13-6/18 sex 7/2. planb on7/3. period is usually4-5 days with 25daycycle,except period last 6days this time.next period should be today,no period.preg test7/8 and neg. since period last 6 days when is next one due? ovulate what day? am i preg?

It takes about three weeks for the embryo to make enough HCG for a positive pregnancy test. If you got pregnant from the sex on July 2, it is too soon to know. Unless you get a period, do a home pregnancy test by July 23. If the result is negative repeat the test 4-5 days later unless you get a period by then. Use first morning urine and follow the instructions carefully. Wish you good health!

...easily determined, so effective contraception is required. Your next period (in the absence of pregnancy) will follow ovulation in about 12-14 days. See a trusted gynecologist for discussion of effective contraceptive options--using Plan B is less than perfect.