Nursing and pregnancy

Greetings!

An interesting message I'd like to share with you:

I am solely nursing my 3 month old daughter. I wanted to know if I can have sex w/o using birth control pills and not get pregnant? I’ve heard you can have sex for the first 6 months of your newborns life and not get pregnant if you are solely nursing? I nurse every 3-3.5 hours during the day and 7-8 hours at night. I heard that you have to nurse every 6 hours at night in order to not get pregnant? Can I have sex and not use any contraceptives and still not get pregnant up to 6 months if I’m nursing every 3-3.5 hours during the day and 7-8 hours at night?

Thanks!
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My response:
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To create unambiguous infertility, you need to nurse at least once or twice per hour during the day and several times at night during your baby's first few months. When a woman nurses this frequently, then her mucus will dry up. That dryness signals
infertility.

Since you are nursing only every few hours during the day, and 7-8 hours at night, you are not nursing enough to create unambiguous infertility. You also don't say whether you are observing your mucus. You therefore need to consider yourself
fertile.

The Pill can affect your health and it can get into your breast milk. If this is a problem for you, then you might consider a barrior method of birth control, such as condoms, the diaphram or the cervical cap.