<s>[INST] How effective is nordette as an emergency pill? Got cntact during my 4th day of period n take 4 pcs of nordette after 12 hrs dn take another 4 pcs nordette after 12 hrs as the 2nd dose.. Will pregnancy be possible? After 10 days mentration occurs... What does this mean? [/INST] Hello dearI understand your concernNoredette is highly effective in preventing the pregnancy as you took in correct dose.Also you had sex on the 4th day of the period, chance of the pregnancy is nil.At this time ovulation has not been occur aso no fertilization occurBleeding at the 10th day could be due to ovulation or side effect of the pill.Nothing to worry about that and it will disappear in next 2-3 days.Meanwhile avoid stress, take healthy diet, drink plenty of water and do regular exercise.Hope this may help youContact HCM for further heath queryBest regardsDr. Sagar </s>