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The journal Pregnancy

Why Kegels Won’t Prepare You for Birth—And What Actually Will

By Dr. Allison Feldt, PT, DPT 5 min read

When it comes to preparing your body for birth, many women are told the secret lies in having a “strong pelvic floor.” And while that’s partially true, the advice that often follows, “Just do Kegels”,is not only outdated, but it can actually work against you during labor.

So let’s set the record straight. If you’re pregnant, planning to be, or supporting someone through this journey, this is your ultimate guide to preparing your pelvic floor for a smoother, safer delivery. Let’s talk about what actually works.

What Is the Pelvic Floor and Why Does It Matter for Birth?

The pelvic floor is a group of three layers of muscles that sit like a hammock between your pubic bone and tailbone. These muscles support your bladder, uterus, and rectum. They also play a huge role in labor, delivery, and postpartum healing.

If these muscles are too tight or hold too much tension, something common in pregnancy due to hormonal changes and stress, they can actually prevent your baby from descending properly during labor. That’s when birth becomes longer, more difficult, and more likely to involve tearing, assisted delivery, or even an unplanned C-section.

The Problem With Kegels

You’ve probably been told to do Kegels to “strengthen” your pelvic floor. But here’s the truth: most women already carry too much tension in their pelvic floor. Stress, previous athletic training, incontinence, constipation, or even pain during pregnancy are all signs your pelvic floor may be overactive, not weak.

When you’re stuck in a constant Kegel, meaning those muscles are always clenched,you’ve lost the ability to relax and lengthen the pelvic floor. And guess what? You can’t push a baby out through a tight, non-moving pelvic floor.

Your Pelvic Floor Needs Mobility, Not Just Strength

Think of your pelvic floor like a trampoline or a flower. For birth, it needs to open and yield, not clench tighter. Just like a marathon runner doesn’t train by only tightening their legs, your pelvic floor needs a full range of motion to perform well during labor.

How Pregnancy Affects Your Pelvic Floor

Thanks to hormones like estrogen, relaxin, and progesterone, your joints become more mobile during pregnancy. That’s a good thing, it allows your pelvis to open for delivery. But your body instinctively tightens muscles like the glutes, inner thighs, and yes, your pelvic floor to compensate for that new instability.

This built-in tension may help keep you upright and stable during pregnancy, but it can cause serious issues during labor if not addressed.

The Power of the Diaphragm: Breathing Your Baby Out

Here’s what really prepares your pelvic floor for birth: intentional breathing.

Your diaphragm sits under your rib cage and works in harmony with your pelvic floor. When you inhale deeply into your belly, your diaphragm drops, and your pelvic floor naturally lengthens and opens. This creates space for your uterus to contract downward and helps your baby descend during labor.

This kind of diaphragmatic breathing, also called “belly breathing” or “yoga breathing”,not only conditions your core and pelvic floor but also calms your nervous system. It keeps you in a parasympathetic “rest and digest” state, which is crucial for progressing through labor.

How to Train Your Pelvic Floor With Breath

Try this simple daily practice:

  1. Sit or lie down comfortably.

  2. Place one hand on your chest and one on your belly.

  3. Inhale slowly through your nose. Let your belly expand and imagine your pelvic floor (your vagina or anus) softening and opening, like a blooming flower.

  4. Exhale through your mouth, and notice a gentle recoil or lift of the pelvic floor.


That’s it. Five minutes a day of this type of breathing will condition your pelvic floor better than any set of Kegels ever could.

Want to level it up? Practice this kind of breathing while pooping! Yes, you read that right. The act of relaxing and lengthening your pelvic floor for a bowel movement mimics the same movement required to birth your baby.

Visualize Baby Coming Through

Here’s a powerful bonus: while doing this breathing during bowel movements, visualize your baby’s head moving through your body. You’re training your brain to connect to the feeling of release and surrender, so when labor comes, your body already knows what to do.

Real Talk: Why This Works

One of our clients was told after a traumatic first birth that she should never deliver vaginally again. After working through our Body Motion Birth Preparation Protocol, she not only had a smooth, four-hour labor with zero tearing, she unintentionally had a home birth because baby came out so quickly and easily. Her pelvic floor was trained and ready.

TL;DR: Preparing for Birth the Right Way

  • Kegels aren’t the answer. In fact, they may be making things worse.

  • Mobility and coordination of the pelvic floor, not just strength, are what really matter.

  • Intentional diaphragmatic breathing helps lengthen the pelvic floor and train your body for labor.

  • Stress, hormones, and pregnancy itself tighten the pelvic floor, so you need to train it to release.

  • Breathing is your superpower, it supports your uterus and keeps your nervous system calm for labor.


Ready to Prepare Your Body for a Tear-Free Birth?

If you’re ready to experience a birth that’s smoother, safer, and more empowering, download our free birth preparation guide. You’ll learn how to connect with your pelvic floor, use breath to support labor, and prevent tearing.

👉For More Information Request A Free Preview Of My Online Program, The Secret To A Tear-Free Birth
👉 Or Book A Free 30 Minute Consultation with a Pelvic Expert at our Edmonds or Poulsbo, WA locations.

You deserve to feel strong, supported, and confident in your body, before, during, and after birth.

Dr. Allison Feldt, PT, DPT, founder of Body Motion Physical Therapy

About the author

Dr. Allison Feldt, PT, DPT

Allison is a pelvic floor physical therapist and the founder of Body Motion PT in Edmonds. A mom who knows the aftermath of pregnancy and birth firsthand, she's on a mission to help women restore their core and pelvic floor at every stage of life.

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