Pregnant while breastfeeding?

I'm breastfeeding my 12 month old and my period hasn't returned. We had unprotected sex about six weeks ago, and I'm afraid I might be pregnant. How would I know since I don't have a missed period to judge by? I have no nausea, as with my previous pregnancies; my breasts are full and tender, but they have been throughout breastfeeding. I am extremely tired, which was a symptom of my other pregnancies. Would a home pregnancy test give a false positive due to the hormones breastfeeding?

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Peg Plumbo CNM

Peg Plumbo has been a certified nurse-midwife (CNM) since 1976. She has assisted at over 1,000 births and currently teaches in the... Read more

Although there are hormonal changes involved in breastfeeding, human chorionic gonadatropin (hCG) is the one detected in the pregnancy test. This hormone would be present in the same amount whether you were breastfeeding or not.

Although amenorrhea, or lack of menses, is very normal even this far into breastfeeding, it would be a good idea for you to have a pregnancy test done, either at home or at the doctor's office.

Using a reliable method of birth control combined with breast feeding, should make conception unlikely. But if you had a slip up six weeks ago, the test should be positive by now if you are pregnant.

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