Breastfeeding and Pregnancy

Breastfeeding and Pregnancy

It is absolutely possible to get pregnant while breastfeeding. The Lactational Amenorrhea Method (LAM) is an accepted form of birth control when strict guidelines are followed carefully.

These guidelines include:

  • The baby is less than 6 months old
  • No return of menstruation
  • No regular formula supplementation
  • Breastfeeding at least 8 times in 24 hours, including night feedings

When these conditions are met, the chance of pregnancy is less than 2%.

However, if you are not aware of the LAM method or do not follow it strictly, pregnancy while breastfeeding can occur more often than expected. Ovulation happens before the first postpartum period, which is when unplanned pregnancies may occur.

If breastfeeding becomes less frequent (fewer than 8 times in 24 hours), your period may return sooner. Once ovulation resumes, pregnancy is possible if you are not using reliable birth control.

Many women mistakenly believe they cannot get pregnant until their period returns. In reality, ovulation occurs before menstruation, making pregnancy possible even without a visible cycle.

During postpartum recovery, this misconception can lead to closely spaced pregnancies. Healthcare providers typically address birth control and pregnancy prevention during the standard 6-week postpartum visit.

While breastfeeding every 4 to 6 hours without supplementation may suppress ovulation initially, this effect is not guaranteed beyond the first 6 months. Since ovulation comes before a period, it is easy to miss the window when fertility returns.

The likelihood of becoming pregnant while breastfeeding without reliable contraception ranges from 5% to 28%, depending on how much time has passed since delivery. The risk increases the further you are from childbirth.

The good news is that becoming pregnant while breastfeeding does not increase the risk of complications for the baby or the pregnancy.

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