Can ec work on day of ovulation? took within 20 min. was supposed to ovulate on 26 (had gel discharge) but felt pains today (29th). 11days till period

Too soon to know: If you are concerned about being pregnant, it is too soon to know. Conception, as defined by the generation of a fertilized ovum, occurs within day or so of the sex. However, it takes about 2-3 weeks for the embryo to make enough HCG to produce a positive pregnancy test. Blood test may be done a day after a missed period. Home pregnancy tests should be done 4-5 days after the missed period. If the result is negative repeat the test in 4-5 days. Use first morning urine and follow instructions for the test carefully. If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD. Practice safe sex. Get HPV vaccine.

EC: EC is effective at anytime if taken appropriately, and if you took within 20 minutes that should be work. However, 2 to 4 percent of women can still get pregnant with plan B