Epidurals in Birth: Understanding What Happens When We Change the Physiology

Freshly birthed

During pregnancy, we think carefully about what we put into our bodies.

We choose nourishing foods. We think about getting enough protein, healthy fats, vitamins, minerals, and other nutrients because we understand that what supports us also supports our growing baby.

Medication can be a different conversation.

Some medications are important and necessary during pregnancy. For example, someone with low thyroid function may need thyroid medication to support their own health and their baby's development. There are times when medication is absolutely the right choice.

At the same time, many parents want to understand the potential effects of medications before choosing them during pregnancy and birth.

Birth is no different.

One of the most common medications used during labor is an epidural. For some women, an epidural is an important and valued part of their birth experience. For others, their desire is to experience labor without it.

Neither choice needs to come from fear.

My goal is education—so you understand what can happen when an epidural becomes part of your birth and can make the decision that feels right for you.

What Is an Epidural?

An epidural is regional anesthesia. Medication is placed into the epidural space near the spinal nerves to reduce or eliminate sensation in the lower part of the body.

It can provide significant pain relief, but it also changes some of the normal physiology and mobility of labor.

And because one intervention can create a need for another, it is helpful to understand the potential ripple effect.

Let's look at some of the things that may accompany an epidural.

1. IV Fluids and Blood Pressure Monitoring

An epidural can cause a drop in blood pressure. Because maintaining adequate blood pressure is important for both mother and baby, IV fluids and medications may be used to help support blood pressure. If blood pressure drops and decreases the oxygen to the baby, it can cause distress leading to more interventions and surgery.

An IV also provides quick access to medications if they become necessary.

This is an important example of how one intervention can lead to additional monitoring or support.

2. Continuous Fetal Monitoring

With an epidural, continuous electronic monitoring is commonly used to keep a close watch on the baby's heart rate and the mother's contractions.

External monitors can tell the care team about the baby's heart rate and the timing of contractions, although they do not directly measure the strength of each contraction.

In some circumstances, additional internal monitoring may be considered if the care team needs more information about the baby's heart rate or the strength of contractions.

3. A Urinary Catheter

An epidural can make it difficult to feel when your bladder is full and can temporarily affect your ability to urinate.

Because a very full bladder can interfere with the baby's descent and can become uncomfortable or injured, a urinary catheter is commonly placed during an epidural.

After birth, keeping the bladder empty is also important because bladder distention can interfere with the uterus contracting effectively.

4. Limited Mobility

This is one of the biggest changes I see with epidural anesthesia.

Depending on the medication and how strong the block is, your legs may become heavy or numb. You will need to remain in bed or require assistance to change positions.

And movement matters during labor.

Changing positions, moving the pelvis, standing, kneeling, using a birth ball, and being upright can all be valuable ways of working with gravity and creating space for your baby to move through the pelvis. An epidural inhibits many of these.

Some hospitals do offer mobility and position changes with an epidural, depending on the medication, equipment, policies, and individual circumstances.

The important thing is to ask ahead of time:

“What movement and birth positions will I be able to use if I choose an epidural?”

5. Pitocin May Become Part of the Picture

This is another area where understanding the physiology is helpful.

Epidural anesthesia doesn't automatically mean you will need Pitocin. However, because an epidural can sometimes affect the effectiveness or pattern of contractions and because labor may slow by upto 40%, Pitocin may be recommended if labor is not progressing as desired.

Pitocin is a synthetic form of oxytocin, the hormone your body naturally produces during labor.

It may be used to induce labor or to augment labor when contractions are not strong or frequent enough.

Again, one intervention doesn't guarantee another—but understanding the possible sequence allows you to make informed decisions.

6. What About Baby?

Yes, epidural medications can cross the placenta to varying degrees.

The effects on the baby depend on the medications used, their doses, timing, and other circumstances.

An epidural is generally very different from general anesthesia and is often chosen because it allows the mother to remain awake and involved in the birth while providing substantial pain relief.

The important question isn't simply:

“Is an epidural good or bad?”

A better question is:

“What are the benefits, what are the possible trade-offs, and what matters most to me in my birth?”

What About the Sensations of Labor?

This is where preparation becomes so important.

Many people enter pregnancy already believing:

“When labor starts, I'll probably need an epidural.”

But where did that belief come from?

Maybe it came from your mother.

Maybe from a friend.

Maybe from television.

Maybe from hearing birth stories where the first thing someone said was, “Get me the epidural!”

Maybe you have simply never been taught another way to think about labor.

There is nothing wrong with wanting pain relief.

But I encourage you to become curious about the beliefs underneath the decision.

Ask yourself:

1. What do I believe labor will feel like?

2. What am I afraid might happen?

3. What would I love my birth experience to feel like?

4. Do I understand how the nervous system, hormones, movement, breathing, and environment influence labor?

5. Am I choosing an epidural because it aligns with what I want—or because I'm afraid I won't be able to cope without it?

Those are very different reasons.

Birth Preparation Begins During Pregnancy

Birth doesn't begin when labor starts.

Waterbirth Powerful

Birth preparation begins during pregnancy.

This is the time to learn about your body, your nervous system, your baby's position, nutrition, movement, hormones, birth physiology, comfort measures, and the many choices available to you.

It is also the time to examine your mindset.

If your internal conversation has been:

“I can't handle labor.”

Pause.

What if you learned instead:

“My body was designed for this process. I can learn how to work with it.”

That doesn't mean promising yourself that birth will never be challenging.

It means entering birth with knowledge instead of assumptions, preparation instead of fear, and choices instead of automatically following the crowd.

Birth Was Designed to Work

The female body has an extraordinary capacity for birth.

And yet birth can become more complicated when we introduce interventions, fear, inactivity, unfamiliar environments, or beliefs that tell us our bodies cannot handle the process.

Sometimes interventions are necessary.

Sometimes they are helpful.

Sometimes they are life-saving.

And sometimes a parent simply chooses them because the benefits feel greater than the trade-offs.

That is exactly why education matters.

You deserve to understand the choices before you are in the middle of labor trying to make them.

Ask Yourself What You Would Really Love

Instead of beginning with:

“How do I avoid an epidural?”

Try beginning with:

“What would I really love my birth to be?”

Maybe you want to feel:

• Calm

• Confident

• Powerful

• Peaceful

• Supported

• Encouraged

• Connected to your baby

• Free to move

• Involved in your decisions

Then begin learning what can help create that experience.

And if you ultimately decide that an epidural is part of the birth you would love, you can make that decision from knowledge rather than fear.

That's empowerment.

Natural Childbirth 101 Is Here to Help

At Natural Childbirth 101, my goal is to give you the education and tools to understand birth so you can make decisions that are right for you and your baby.

Pregnancy is a preparation time—not only for your body, but for your mind, emotions, and confidence.

The earlier you begin, the more opportunity you have to learn, practice, ask questions, and develop a mindset that supports the birth experience you would love.

You don't have to follow the crowd.

You don't have to prove anything.

You simply deserve to know your options.

Be powerful. Be purposeful. Be informed.

Pregnancy is a time of becoming—becoming a parent, becoming more aware of yourself, and discovering a new version of who you are.

And just like your baby is growing every day, so are you.

Warm hugs,

Kaleem Joy, Licensed Midwife, Transformational Mentor, Speaker, Natural Childbirth 101

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