Constipation in Pregnancy
Constipation in Pregnancy: What Actually Helps (and Why It’s Not Just Fiber)
If you’re constipated during pregnancy, it’s not because you’re doing something wrong.
Most people I see are already trying. They’re drinking more water, adding fiber, paying attention to food. And still feeling stuck.
Because pregnancy changes the baseline. You’re more tired, sometimes nauseous, your appetite is less predictable, and even basic habits take more effort. The things that used to work don’t always work the same way now. The usual advice isn’t wrong. It’s just often not enough for what’s actually happening.
What’s actually driving the constipation
Constipation in pregnancy is rarely about one thing.
Progesterone increases, which relaxes smooth muscle, including the digestive tract, so food moves more slowly. At the same time, your uterus is expanding, which changes how the intestines are positioned and how pressure is managed in the abdomen.
Iron in prenatal vitamins can make stool harder and slower to pass. Meals are often less consistent, movement tends to decrease, and appetite can be unpredictable.
And then there’s the mechanical side. As pressure shifts in the abdomen and pelvis, the coordination between your abdominal muscles and pelvic floor can change. Even if stool is ready to pass, the process itself may feel harder or less efficient.
All of that together is why this doesn’t usually respond to a single fix.
Start with morning rhythm and enough intake
One of the most common patterns I see is not eating enough, especially earlier in the day.
Digestion depends on signaling. When you eat, your body initiates the gastrocolic reflex, which stimulates movement in the colon. This is strongest in the morning. If mornings are rushed, breakfast is delayed, or intake is minimal because nothing sounds good, that signal never really gets established.
What to focus on:
Eat within 30–60 minutes of waking
Include protein + carbohydrates + fiber to actually stimulate a response. An example: Greek yogurt + overnight oats with chia seeds, topped with slivered almonds and berries
Start the day with warm water with lemon or herbal tea
Consider fruit on an empty stomach if you tolerate it: 2 kiwis per day (not just in the morning) can be especially helpful for constipation
This is less about a perfect breakfast and more about giving your body a consistent, strong signal to move.
Support digestion instead of just adding more fiber
Fiber can help, but only if your system can handle it. If motility is already slow, adding more fiber without supporting digestion often just creates more bulk sitting in the same place.
Try these steps to improve how food is broken down and reduce the workload on your gut downstream:
Sit down for meals
Take 4 slow diaphragmatic breaths before you start eating
Eat without distractions (not at your desk, not while scrolling)
Chew your food until it’s close to applesauce consistency
These steps also matter for pressure management. Digestion and the pelvic floor are not separate systems. How you breathe, brace, and relax impacts both.
From there, you can layer in gentle support:
Ginger tea or fresh ginger added to meals
CCF (cumin, coriander, fennel) tea
Arugula, endive, and other bitter foods before meals to stimulate digestive juices
Magnesium citrate (always discuss with your doctor before starting any supplements)
If fiber is low, increase it gradually
If your current intake is very low, increasing fiber can help, but it needs to be gradual and supported. Jumping from very low fiber to high fiber quickly can worsen bloating and constipation.
A more effective approach:
Start with small amounts:
1–2 teaspoons chia seeds or ground flax
A few spoonfuls of beans or lentils
~1 teaspoon psyllium husk powder
Increase slowly over time
Pair with adequate hydration (around 80–100 oz/day), movement, and digestive support
Hydration, but in a way that actually helps
Drinking enough water (around 80–100 oz/day) is essential, but it’s not the only way to support hydration. If plain water feels difficult or you still feel thirsty, adding minerals can help.
Add electrolytes (a pinch of salt and lemon or a powder)
Include hydrating foods:
Fruits, especially watermelon, strawberries, citrus, kiwi
Vegetables like cucumber, celery, lettuce, zucchini, tomatoes
Soups and stews
Smoothies, yogurt, kefir
Sip fluids consistently throughout the day, not just with meals
Movement and daily rhythm still matter
You don’t need a complicated workout routine, but you do need consistent movement.
Walk throughout the day, especially after meals
Change positions frequently
Add stretching, prenatal yoga, or bodyweight exercises (check with your doctor before starting anything new)
Your morning routine also matters more than people think. Giving yourself even a small amount of time where you’re not immediately rushing allows your body to follow its natural rhythm.
And if bowel movements feel difficult even when you’re doing many of these things, that’s often a sign that coordination, not just digestion, needs support. This is where pelvic floor physical therapy can be especially helpful.
Don’t focus too much on one fix
There isn’t one fix for constipation during pregnancy.
Sometimes fiber helps. Sometimes it makes things worse. Sometimes hydration is the main issue. Sometimes it’s timing, intake, or coordination.
Most of the time, it’s a combination. And more importantly, it has to be something you can actually do consistently, especially during a time when your capacity is already lower.
The bottom line
Constipation in pregnancy is a combination of slower motility, physical changes, and coordination between systems that no longer work the same way.
The goal isn’t to do everything perfectly. It’s to adjust the pieces that are most likely to help and make them realistic enough to stick.
About The Author
Jessica Haskin is a New York City-based Registered Dietitian (RDN, CDN, IFNCP) specializing in gut health and gastrointestinal disorders. Through her virtual practice, Jessica Haskin Nutrition, she works with women who are ready to stop planning their days around chronic
constipation, bloating, and other long-standing GI symptoms. She works closely with pelvic floor physical therapists to optimize clients' outcomes, since gut and pelvic floor function are deeply connected. The work focuses on what is actually driving symptoms and on building practical, sustainable changes that fit each client's real life. The goal is digestion that no longer requires constant management.
For the FemFirstHealth community, Jessica is offering 10% off your initial nutrition package.
Find her on Instagram @jessicahaskinrd or at jessicahaskinnutrition.com.
