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Lactation Amenorrhea Method

The Lactation Amenorrhea Method is a natural method of preventing pregnancy. It can provide excellent protection against becoming pregnant. Read more below about how to ensure it is effective for you.

Who can use the Lactation Amenorrhea Method of birth control?

Lactation Amenorrhea Method is a very effective form of birth control if you can answer YES to ALL of the following statements:

  1. My baby is less than six months old.
  2. My monthly period has not returned.
  3. My baby is fully breastfed or nearly fully breastfed.
  4. I am breastfeeding at least every 4 hours during the day and at least every 6 hours at night.

Definitions for fully or nearly fully breastfed

  • “Fully breastfed” means your baby gets all food from suckling at the breast.
  • “Nearly fully breastfed” means that your baby does not receive more than 1 or 2 mouthfuls per day of anything else in addition to breastfeeding and vitamin D.

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How effective is it?

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How does LAM work?

  • When your baby suckles frequently at the breast it stimulates your milk supply by sending signals to your brain.
    • This releases hormones that interrupt your normal ovulation cycle.
    • This effect is particularly strong when your baby is young and is feeding frequently.
  • As your baby gets older and feeds less frequently, your body will gradually return to it’s regular ovulation cycle which causes your fertility to return.

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What are the advantages and disadvantages to using Lactation Amenorrhea Method?


  • Completely natural method of birth control
  • Free
  • No medication or products needed


  • No protection against sexually transmitted infections (STIs)
  • Can only use Lactation Amenorrhea Method if all 4 of the above statements are followed.

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