First Trimester Workout For Abs and Core Strength

Let me tell you something about you should be doing a first trimester workout: keeping your core strong is literally the foundation for everything that’s about to happen.

And focusing on your core now is the secret weapon that’ll save your back, support your growing belly, and make your entire pregnancy (and recovery!) so much easier.

Why Core Pregnancy Exercises Are so Important in the First Trimester

Here’s what nobody tells you about the first trimester: while everyone’s focused on prenatal vitamins and avoiding sushi, your core muscles are quietly preparing for the marathon of their lifetime.

Those deep abdominal muscles? They’re about to spend the next nine months stretching, supporting, and working overtime like they’ve never worked before.

Starting a pregnancy core workout now isn’t just about staying fit but about injury prevention.

A strong core in early pregnancy helps with:

  • Preventing diastasis recti (when your ab muscles separate so much you could fit a small canyon between them)
  • Reducing back pain that can start as early as 12 weeks
  • Giving your pelvic floor the support it desperately needs as everything starts shifting around.

But here’s the kicker: first trimester exercises are your golden window.

Right now, you can still do moves that’ll become impossible later. You can lie on your back without feeling like a beached whale. You can actually see your feet. This is prime time for building the strength that’ll carry you through the next 30+ weeks.

Think of it like this: would you rather build a house on a solid foundation or on quicksand? Your core is literally the foundation that’s going to support your growing baby, your changing posture, and your sanity when you’re carrying around an extra 25-40 pounds.

The Perfect 1st Trimester Prenatal Pregnancy Workout

This first trimester pregnancy workout video is all about working smarter, not harder. We’re talking 10 minutes of exercises that actually make sense for where you’re at right now. No jumping around (because, ew, nausea), no lying on your back for too long (because that gets weird), just solid moves that’ll keep you feeling strong.

1. Toe Taps (0:27)

Starting on your back (don’t worry, we won’t be here long), this is basically the foundation of everything. Draw that belly button toward your spine. Think of it like giving your baby a gentle hug from the inside.

Bring both knees up over your hips, shins parallel to the ceiling, then lightly tap those toes down. The key word here is lightly . We’re not stomping around like toddlers having a tantrum. This early pregnancy workout move is all about control.

Pro tip from someone who’s been there: if you start feeling dizzy or short of breath, roll to your side immediately. Your body will tell you what it needs.

2. Core Twist (1:21)

This oblique twist is honestly one of my favorites because it feels like you’re actually doing something without wanting to die. Arms wide, palms up (like you’re surrendering to the pregnancy gods), knees over hips.

Drop those knees slowly to one side, then the other. Your shoulders stay glued to the floor – no cheating! This pregnancy core workout move is perfect for keeping that mobility in your spine, which trust me, you’re going to need as things get… rounder.

3. Controlled Leg Drops (2:21)

Here’s where things get spicy (in the best way). Legs straight up to the ceiling, toes pointed like you’re a fancy ballerina. Drop one leg at a time toward the floor – you don’t have to actually touch it, just get close enough to feel that burn.

The magic happens when you’re lowering that leg super slowly. Your lower back should be pressed toward the floor, belly button pulled in. If this feels too intense, bend your knees and do modified toe taps instead. No shame in the modification game!

4. Opposite Arm-Leg Lift (3:29)

Moving to hands and knees now (hello, relief from being on your back). This move is like rubbing your belly and patting your head, but with more core engagement.

Right arm up, left leg back. Hold for a beat, then switch. Your arm should be about shoulder level, leg about hip level. The trick is not rotating your hips or shoulders. Keep everything square like you’re balancing books on your back.

This pregnancy ab workout move is gold for back pain, which, let’s be honest, is probably already making its grand entrance.

5. Cross-Body Connection (4:20)

Same position, but now we’re adding a little party trick. Extend that opposite arm and leg, then bring the knee to meet the elbow under your body.

It’s like a secret handshake between your limbs. If you can’t quite touch knee to elbow, no biggie – just do what feels good. As your belly grows, this one’s going to get trickier, so enjoy it while you can!

6. Dynamic Plank Movement (5:24)

Okay, this one sounds scarier than it is. From hands and knees, tuck your toes and push your hips back (like you’re about to sit in a chair), then shoot forward into a plank.

Think of it as a very slow, controlled see-saw motion. If regular planks make you want to cry (no judgment), drop to your knees when you come forward. The important part is that hip movement back and forth.

7. Single Knee Plank Taps (7:21)

Forearm plank time! Elbows under shoulders, body in a straight line (or as straight as you can manage while growing a human). Lift one knee off the ground, tap it back down gently, then switch.

The key word here is gently. We’re not trying to make earthquake vibrations through the floor. Just a soft tap that keeps all that good core tension working.

8. Side Plank Hip Lifts (8:24)

Last but not least – side planks that won’t make you hate your life. Bottom leg bent for stability, top leg straight if that feels good. Elbow under shoulder at 90 degrees.

Lift that hip up, tap it back down. You can reach your top arm up for extra credit, or just rest your hand on your hip if you’re feeling wobbly. This pregnancy leg workout component is fantastic for those hip stabilizers that are going to work overtime as baby grows.

Pregnant woman doing first trimester core exercises

How Often to Do These First Trimester Pregnancy Exercises

This 10-minute routine is designed to fit into real life. You know, the one where you might need to pause mid-exercise to run to the bathroom (again) or because you suddenly need ice cream with pickles or some other weird pregnancy craving RIGHT NOW.

You can do this every day if you’re feeling good, or just a few times a week if that’s what works.

The goal with these pregnancy exercises are consistency when you can manage it.

Even three days a week is amazing. Even one day a week is better than nothing.

The beauty of these first trimester exercises is that they’re all about building that foundation of strength that’ll serve you through your entire pregnancy.

Ten minutes goes by so fast. It’s like the length of a really good song (or in pregnancy terms, the time it takes to decide what you want to eat, change your mind three times, and then end up with crackers anyway).

A woman doing a plant, part of a first trimester pregnancy workout.

What’s Next in Your Pregnancy Journey

As you progress through pregnancy, these routines will adapt to support your changing body. Second and third trimester workouts become different beasts entirely, but this first trimester routine is your foundation for staying strong throughout the entire journey.

Your future self (the one who’s trying to lift a toddler while still healing from childbirth) will thank you for the work you’re putting in now.

➡️Ready to fuel your workouts with snacks that actually help with morning sickness? Check out my post on the best first trimester snacks that’ll nourish both you and baby during these crucial early weeks.

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