Swollen ankles. Puffy feet. That heavy, tight feeling in your legs by the end of the day. If you're pregnant, you've probably experienced at least one of these — and you're not alone. Oedema (fluid retention) affects up to 80% of pregnant women, particularly in the second and third trimesters.

One of the most common questions we hear at Bumpshape is: do compression leggings actually help? Here's what you need to know.

Why Does Swelling Happen During Pregnancy?

During pregnancy, your body produces around 50% more blood and fluids to support your growing baby. This extra fluid can accumulate in your tissues — especially in your legs, ankles, and feet — because of gravity and the pressure your growing uterus puts on the veins that return blood from your lower body to your heart.

The result? That familiar puffiness that tends to get worse as the day goes on, in warm weather, or after long periods of standing or sitting.

How Compression Works

Compression garments work by applying gentle, graduated pressure to your legs — tighter at the ankle and gradually easing off toward the knee or thigh. This helps:

• Improve circulation — encouraging blood and fluid to move upward rather than pool in your lower legs
• Reduce fluid build-up — by preventing excess fluid from accumulating in the tissue
• Ease discomfort — that heavy, aching feeling is often relieved within hours of wearing compression
• Lower the risk of varicose veins — which are more common during pregnancy due to increased blood volume and hormonal changes

Research supports this: a number of studies have found that graduated compression significantly reduces leg swelling and discomfort in pregnant women, particularly when worn consistently throughout the day.

Are Compression Leggings the Same as Compression Stockings?

Not quite. Medical-grade compression stockings are prescribed for specific conditions and deliver a precise, high level of pressure (measured in mmHg). Compression leggings — like those designed for maternity activewear — offer a lighter, more comfortable level of compression that's appropriate for everyday wear and exercise.

For most pregnant women experiencing normal pregnancy swelling, activewear-level compression is both safe and effective. If you have significant swelling, varicose veins, or a history of blood clots, always check with your midwife or doctor first.

What to Look for in a Compression Legging for Pregnancy

Not all compression leggings are created equal. When shopping for pregnancy, look for:

• Graduated compression in the legs — tighter at the ankle, easing toward the thigh
• A non-restrictive bump panel — compression around your belly is not what you want; the panel should support, not squeeze
• Breathable, moisture-wicking fabric — your body temperature runs higher during pregnancy
• Four-way stretch — so the legging moves with you without losing its shape or compression level

Our Core Support Legging was built with exactly this in mind — targeted compression through the legs to support circulation, paired with a gentle over-bump panel that lifts and supports without restricting. It's designed to be worn all day, whether you're working out, running errands, or just trying to get through a long afternoon on your feet.

When Should You Wear Them?

For the best results, put your compression leggings on in the morning before swelling has a chance to build up — rather than waiting until your legs already feel heavy. Wear them throughout the day and take them off when you're resting with your feet elevated.

They're also great for:

• Long days on your feet at work
• Travel, especially flights
• Prenatal yoga, walking, or light exercise
• Any day when you know you'll be sitting or standing for extended periods

The Bottom Line

Yes — compression leggings can genuinely help with pregnancy swelling. They're not a cure, but they're one of the most practical, comfortable tools you have for managing oedema day to day. The key is choosing a pair designed specifically for pregnancy, with the right balance of leg compression and bump support.

Try the Core Support Legging — designed to keep you comfortable and supported from the second trimester through to postpartum. Or explore The Sculpting Leggings for a style that works across all three trimesters.