• The IUD is a very effective method of contraception, lasting for at least 5 years, which can be used by unmarried, nulliparous women.
• Devices containing less than 300 mm2 copper have higher failure rates and should not be used routinely.
• If an IUD is inserted after age 40 it can be left in place until contraception is no longer required.
• The commonest side effect (and commonest reason for premature removal) is heavy bleeding.
• The risk of ectopic pregnancy is enormously reduced compared with women using no contraception.
• The risk of pelvic infection has been overemphasized and by 3 weeks after insertion is not increased. Women with risk factors for STI should be screened before insertion but the IUD is not contraindicated.
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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.