How to Choose the Right Maternity Bottoms for Every Trimester

Quick Answer

For the first trimester, stick with your usual bottoms plus a belly band. In the second trimester, switch to high-waist leggings or maternity pants with stretch. In the third trimester, prioritize soft, over-bump waistbands and size up if needed—comfort beats style at this stage.

Choosing maternity bottoms can feel overwhelming with so many options. This guide breaks down what to look for in each trimester, so you can buy once and wear it well.

The key is to focus on waistband placement, stretch, and fabric. You will also see a comparison of leggings versus jeans, plus practical fit guidance to help you decide.

First Trimester: Flexibility Is Key

During the first trimester, your body is changing quickly, but you may not need special maternity wear yet. Look for bottoms with a stretchy waistband that can accommodate early bloating. Many women prefer to buy a belly band to extend the life of their regular pants.

If you are buying new, choose high-waist leggings with a soft, stretchy fabric. They can be worn through the second trimester and even beyond. Avoid rigid denim or pants with a non-stretch waistband, as they may become uncomfortable sooner.

• Buy a belly band to keep wearing your pre-pregnancy pants longer.
• Choose leggings with a high waist and four-way stretch for early comfort.

Second Trimester: Support and Coverage

In the second trimester, your bump becomes more defined, and you will need bottoms that sit comfortably over it. Look for maternity pants with a full panel or an over-bump waistband. These provide gentle support without digging in.

High-waist leggings are a great choice because they offer coverage and stay in place. If you prefer jeans, search for maternity jeans with a stretchy panel. However, remember that denim is less forgiving than knit fabrics, so you may need to size up sooner.

• Choose over-bump waistbands for support and to avoid pressure on your belly.
• If you buy jeans, opt for a maternity-specific style with a stretch panel.

Third Trimester: Comfort First

By the third trimester, comfort is the top priority. Your bump is larger, and you may experience swelling. Look for bottoms with a soft, wide waistband that does not roll down or pinch. Seamless or scrunch styles can reduce irritation.

Consider sizing up in leggings to accommodate your growing bump and hips. Some brands run small, so check the size guide and read reviews. If you are unsure, choose a size up—you can always wear them postpartum.

• Prioritize soft, wide waistbands that stay in place without rolling.
• Do not hesitate to size up in the third trimester; comfort matters more than a perfect fit.

Decision Rules for Maternity Bottoms

• If you are in the first trimester: Stick with your regular pants plus a belly band, or buy high-waist leggings with stretch. You do not need a full maternity wardrobe yet.
• If you are in the second trimester: Choose over-bump waistbands for support. Leggings are more forgiving than jeans, so prioritize them if you want to avoid frequent sizing changes. Invest in one good pair of high-waist leggings.
• If you are in the third trimester: Size up in leggings if needed. Avoid rigid waistbands and opt for soft, seamless fabrics. Comfort is non-negotiable; you can wear these postpartum too.

Products That Work for Maternity

• Shapewear TNG Embossed Leggings - Snakeskin: High-waisted leggings made from high-performance fabric for sweat-wicking comfort. Super stretchy for all outfits and everyday wear. Embossed pattern hides all lumps and bumps, with side pockets and a comfort high waist design. The high waist and stretchy fabric make these a versatile option for early pregnancy or postpartum. The embossed pattern adds style while providing smoothing coverage.
• Shapewear Gymbunny Seamless Scrunch leggings -Grey: High waist, flattering shape, and a ruched back detail. Made with a buttery soft blend of super stretch fabric, squat proof and weightless feeling. The soft, seamless fabric reduces irritation, and the high waist offers gentle support. The scrunch detail adds a flattering look, but note that sizing may be snug, so consider sizing up.
• Shapewear High Waist Butt Shaping Shaping shorts- Tiffany blue: Super 4-way stretch, legging shorts with no pockets. Helps reduce the appearance of cellulite and increases skin smoothness. Size runs small, so take one size up. These shorts can be worn under dresses or as loungewear in early pregnancy. However, the shaping compression may not be comfortable in the later trimesters, so reserve them for the first trimester or postpartum.

Fit Guidance

Best For

• High-waist leggings with four-way stretch for everyday wear and light workouts
• Over-bump maternity pants for work or dressier occasions

Not For

• Shaping or compression leggings in the third trimester—they may feel restrictive
• Rigid jeans without a stretch panel—they will not accommodate your growing bump

Choosing the right maternity bottoms comes down to timing and comfort. Start with stretchy leggings, switch to over-bump styles as your bump grows, and do not be afraid to size up. Prioritize soft fabrics and a waistband that stays put—your body will thank you.