What to Wear in the Third Trimester: Comfortable & Stylish Maternity Outfits

Okay, real talk — the third trimester is a whole different ballgame.

You've made it through the nausea, the announcement, the bump reveal, and about 47 unsolicited opinions on your pregnancy. Now you're in the home stretch, and your body is doing truly remarkable things — growing an entire human! — and your wardrobe is feeling that pressure in real time.

If you've noticed that your second trimester favorites are suddenly not cutting it anymore, you're not imagining it. Between weeks 28 and 40, your belly, hips, and chest can all shift significantly — and comfort becomes non-negotiable. The good news? You can absolutely feel cute, put-together, and like yourself all the way to your due date. Here's how.

Why the Third Trimester Hits Different (Wardrobe-Wise)

By the time you hit the third trimester, your bump has usually moved into undeniable territory. According to the American Pregnancy Association, most pregnant people gain the bulk of their weight in the second half of pregnancy — which means clothes that fit perfectly at 20 weeks may feel snug or short by week 32.

A few things that tend to change:

• Your belly sits higher and rounder, so shorter tops suddenly become crop tops
• Waistbands can become your nemesis — even stretchy ones
• Your feet and ankles may swell (totally normal, totally annoying)
• Temperature regulation gets tricky — hello, pregnancy sweats
• Getting dressed in the morning requires a bit more... strategy

None of this means you have to give up on style — it just means what works best starts to shift.

The Third Trimester Maternity Wardrobe Essentials

You don't need a closet full of new pieces — you need the right ones. Here are the categories that do the most heavy lifting in the final stretch:

Maxi Dresses and Flowy Midi Dresses

If there's one piece that earns its keep in the third trimester, it's a good maxi or midi dress. They require zero waistband navigation, they accommodate all the bump growth, and they photograph beautifully for maternity photos or baby showers. Opt for styles in jersey, modal, or other soft fabrics that will stretch with you.

Wrap Styles

Wrap dresses and wrap-style tops are genuinely one of the best things to happen to maternity dressing. They tie at the side (no predetermined waist placement!), create a flattering silhouette, and can often work postpartum too — which, if you're planning to breastfeed, is a nice bonus.

Stretchy Leggings with Full-Panel Waistbands

Not all maternity leggings are created equal. Whether full panel or under belly is a personal choice. But no matter, pair them with long tunics, oversized sweatshirts, or a flowy button-down for an easy everyday look.

Open-Front Cardigans and Kimonos

Because temperature regulation is truly unpredictable in the third trimester, having a lightweight open-front layer is gold. A soft cardigan or breezy kimono lets you add or remove warmth without any awkward unbuttoning situations.

What to Wear to Work in the Third Trimester

Working through the end of your pregnancy is no small feat, and trying to look polished while also being comfortable enough to sit at a desk for hours? A very real challenge.

A few combos that work really well for the office in the third trimester:

• A fitted maternity tank under an open blazer with comfortable pants
• A wrap dress in a solid color or subtle print — it reads professional and requires zero effort to style
• A midi shirt dress (unbuttoned to accommodate the bump) over a bump-hugging tank
• Ponte or ponte-style maternity pants — they look structured but feel like pajamas. Yes, really.

Shoes deserve a mention here too: by the third trimester, many pregnant mamas find that their feet have widened or that standing in heels just isn't happening anymore. Supportive flats, block-heel sandals, or dressy sneakers are all completely office-appropriate at this point — your feet have earned it.

Casual Third Trimester Outfits for Everyday Life

For weekends, errands, and everything in between, the goal is comfort first — with a little something extra so you feel like a human and not just a walking bump.

Some easy casual third trimester outfit formulas:

• Maternity joggers + an oversized sweatshirt or hoodie (this is basically a uniform and we fully support it)
• Breezy sundress + sneakers or flat sandals — effortless and so comfortable
• Maternity biker shorts + a loose graphic tee or longline tank
• Flowy wide-leg pants + a fitted maternity tee — surprisingly chic and incredibly comfy

The key with casual third trimester dressing is to lean into fabrics that move and breathe with you. Natural fibers like cotton, linen, and modal are great choices since they're less likely to feel stifling.

What About Special Occasions?

Baby showers, gender reveals, holiday parties, or a friend's wedding — life doesn't stop just because you're in the third trimester. The good news is that bump-hugging formal styles are having a real moment right now, and there are so many gorgeous options.

For special occasions in the third trimester, look for:

• Ruched bodycon styles — these stretch and move with your bump beautifully and photograph stunningly
• Empire waist dresses that flow from just below the bust — forgiving, elegant, and bump-friendly
• Formal maxi styles in luxe fabrics like chiffon, satin, or velvet
  
  • Jumpsuits — hear us out! A wide-leg maternity jumpsuit can look incredibly polished for a dressier occasion

  Since special occasion maternity dresses are often worn only once or twice, renting is a really smart option here. At La Belle Bump, we have a special occasion maternity rental collection with gorgeous styles for exactly these moments — so you can feel completely stunning without buying something you'll wear once.

  The Case for Renting Maternity Clothes in the Third Trimester

  Here's something worth thinking about: the third trimester lasts roughly 12-13 weeks. That's it. And in those weeks, your body is changing fast enough that clothes you buy in week 28 might feel completely different by week 36.

  That's a big reason why so many mamas find that renting maternity clothes — especially in the final stretch — makes a lot more sense than buying. You can rotate styles as your body changes, try different silhouettes without committing, and avoid ending up with a pile of expensive clothes you wore three times.

  Our maternity clothing membership lets you swap styles as often as you need, which is especially handy when your body is doing its final big growth spurt. Think of it as having a closet that actually keeps up with you — without the cost or clutter.

  A Few More Third Trimester Dressing Tips

  Before we go, a few practical notes that don't always make it into style guides:

  • Size up when in doubt. A slightly looser fit will almost always be more comfortable than something snug, especially around the shoulders and chest.
  • Invest in a good supportive bra. Your cup size may have changed again, and the right bra can make everything — including your clothes — feel so much better.
  • Don't underestimate belly bands. If you have non-maternity bottoms you love, a belly band can extend their life significantly.
  • Embrace the bump. The third trimester is not the time to try to minimize or hide your belly — it's a really cool thing your body is doing. Styles that work with your shape rather than against it tend to feel (and look) best.
    

  You're almost there, mama.

  The third trimester is a lot — there's no sugarcoating it. But it's also an incredible time, and you deserve to feel great in what you're wearing through every last week of it. Focus on what feels good on your body right now, don't stress too much about what worked two trimesters ago, and give yourself full permission to prioritize comfort.

  And if you need some fresh third trimester maternity outfit options without committing to a whole new wardrobe? We've got you. Browse our full collection of maternity styles and find something that makes you feel like you — just with a really impressive bump.