• LNG-EC can be given within 72 h of unprotected intercourse.
• LNG-EC inhibits ovulation if given early in the cycle but not if given in the peri-ovulatory phase. There is no evidence that it inhibits implantation.
• Efficacy of LNG-EC is uncertain and has probably been exaggerated.
• Advanced provision of EC encourages use.
• A copper IUD can be inserted up to 5 days after ovulation for post-coital use and is about 99% effective.
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The first trimester is very important for the mother and the baby. For most women it is common to find out about their pregnancy after they have missed their menstrual cycle. Since, not all women note their menstrual cycle and dates of intercourse, it may cause slight confusion about the exact date of conception. That is why most women find out that they are pregnant only after one month of pregnancy.