Postpartum Fertility While Breastfeeding: What You Need to Know

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Written By Laine Ferguson

As a birth doula, one of the most common questions I hear during postpartum visits is:

“Can I get pregnant while nursing if my period hasn’t come back yet?”

The short answer? Yes - it’s possible.

Understanding how fertility returns after baby allows you to make confident, informed decisions about preventing pregnancy or trying to conceive again.

I recently collaborated with OVRY to write a deeper dive into empowered fertility in the postpartum period. You can read the full article here. But first, let’s walk through what matters most.

Can You Get Pregnant While Breastfeeding?

Breastfeeding can delay ovulation - but it does not guarantee protection against pregnancy.

Here’s why…

Ovulation happens before your period returns. That means your body can release an egg before you ever see that first postpartum period.

If sperm is present during that ovulation, pregnancy is possible - even if you haven’t had a period yet.

This is why relying solely on “no period yet” as birth control can sometimes lead to unexpected pregnancies.

When Does Ovulation Return Postpartum?

There’s no universal timeline.

Fertility can return:

  • As early as 6 - 8 weeks postpartum (even with partial breastfeeding/pumping)

  • Several months later

  • After solids are introduced

  • After night weaning

  • Or once breastfeeding significantly decreases as babies grow and start sleeping more at night (hopefully!)

Exclusive breastfeeding under specific conditions can suppress ovulation for some people (known as Lactational Amenorrhea Method or “LAM”), but it has strict criteria and a limited timeframe.

Every body is different - which is why body literacy becomes so important during this stage.

Signs Fertility May Be Returning While Nursing

Even without a period, you may notice:

  • Changes in cervical fluid

  • Increased libido

  • Ovulation-type cramping

  • Breastfeeding pattern changes

  • Spotting before a first true period

Learning to observe your cycle signs postpartum gives you data - not guesswork.

Breastfeeding and Birth Control Options

If avoiding pregnancy is important to you, consider:

  • Barrier methods

  • Fertility awareness tracking

  • Progestin-only options (as recommended by your healthcare provider)

  • Non-hormonal options, like the copper IUD

If trying to conceive while nursing, tracking ovulation becomes equally valuable.

The information you use to prevent pregnancy is the same information you use to achieve it - it’s what you do with that knowledge that differs.

Empowered Fertility Postpartum

Empowered fertility isn’t about control, it’s about understanding your body well enough to make decisions that feel aligned.

Postpartum fertility conversations are often rushed or glossed over at the 6-week checkup. But this stage deserves thoughtful education and space.

That’s exactly why I partnered with OVRY to write:

“Empowered Fertility in the Postpartum Period & While Nursing.”

In that article, we explore:

  • Why ovulation can come before your first period

  • How lactation impacts hormonal cycles

  • How to track postpartum fertility confidently

  • What to consider whether preventing pregnancy or trying-to-conceive

👉 You can read the full OVRY article HERE

A Resource for Confident Cycle Tracking

If you're looking for accessible fertility tracking tools, OVRY offers:

  • Easy online ordering

  • Fast, discreet shipping

  • Free shipping on orders over $25 (that’s cheaper than a single pregnancy test at the drugstore!)

You can use code LAINE15 to receive 15% off your first order from myOVRY.ca!

(I may receive a small commission from purchases made using this code. Any commission earned helps me to expand my doula work to support families in-person, and virtually. I only recommend products I trust and believe support informed decision-making, or have personally used and recommend.)

Final Thoughts

Your postpartum body is not “broken” - it’s responsive, intelligent, and evolving.

And when you’re ready to grow your family again, I offer birth doula support for your next pregnancy with evidence-based guidance and calm, continuous care.

Whether you're hoping to space your babies, actively trying to conceive, or simply wanting to understand your cycle again - you deserve information that feels empowering, not confusing.

If you’d like support navigating postpartum recovery, fertility awareness, or birth spacing conversations, you can learn more about my offerings HERE.

Warmly,

Laine

Laine Ferguson