What Size Maternity Leggings Should I Buy for the Perfect Fit?

AvatarByKristie Pacheco Jewelry & Accessories

Finding the perfect pair of maternity leggings can feel like a daunting task, especially when it comes to choosing the right size. As your body changes throughout pregnancy, comfort and fit become more important than ever. The right maternity leggings not only provide support but also adapt to your growing bump, ensuring you stay comfortable and stylish every step of the way.

Selecting the appropriate size involves more than just going up a size or sticking with your pre-pregnancy measurements. Factors such as fabric stretch, waistband design, and how far along you are in your pregnancy all play a role in determining the best fit. Understanding these elements can help you make an informed decision that keeps you comfortable from the first trimester through postpartum.

In the following sections, we’ll explore key considerations for choosing maternity leggings that fit just right. Whether you’re shopping for your first pair or looking to update your maternity wardrobe, knowing how to navigate sizing will make all the difference in your comfort and confidence.

Choosing the Right Size Based on Your Stage of Pregnancy

As your pregnancy progresses, your body undergoes significant changes, particularly around the abdomen, hips, and waist. Selecting maternity leggings that accommodate these changes comfortably is essential for both support and mobility. When determining the appropriate size, it is important to consider not only your pre-pregnancy size but also how far along you are in your pregnancy.

During the first trimester, many women can continue wearing their regular leggings since the physical changes are minimal. However, by the second trimester, your belly will start to grow, and maternity leggings with an adjustable or stretchy waistband become more suitable. In the third trimester, choosing leggings with a full-panel design that covers and supports the entire belly is often preferred.

Keep in mind that maternity leggings are designed to stretch and adapt to your changing shape, but sizing up slightly can provide better comfort and prevent restriction as your body expands.

Understanding Maternity Leggings Size Charts

Maternity leggings sizing differs from standard leggings sizing because they take into account the expanding belly and changing body shape. Most brands offer specific maternity sizing charts that correlate your pre-pregnancy size and current measurements to the recommended maternity size.

Here are key measurements to focus on when consulting maternity leggings size charts:

  • Pre-pregnancy waist size: This is usually the baseline for selecting the legging size.
  • Hip measurement: Since hips may widen during pregnancy, this helps ensure the leggings fit comfortably.
  • Belly circumference: Some charts provide guidance on accommodating the belly size at various pregnancy stages.
  • Inseam length: Ensures the leggings are long enough as your height may seem different due to posture changes.

Below is an example of a typical maternity leggings size chart:

Size Pre-Pregnancy Waist (inches) Hip (inches) Belly Circumference (inches)
Small (S) 24–26 34–36 Up to 40
Medium (M) 27–29 37–39 Up to 44
Large (L) 30–32 40–42 Up to 48
Extra Large (XL) 33–35 43–45 Up to 52

Always consult the specific brand’s size chart since fit and stretchability can vary considerably across manufacturers.

Material and Stretch Considerations

The fabric composition of maternity leggings plays a crucial role in determining the ideal size. Materials like spandex, elastane, or Lycra blended with cotton or nylon allow for greater stretch and adaptability. This elasticity accommodates the growing belly without causing discomfort or restricting movement.

When selecting a size, consider the following:

  • High stretch fabrics can permit sizing closer to your pre-pregnancy measurements.
  • Lower stretch or structured fabrics may require sizing up to ensure comfort throughout pregnancy.
  • Panel design: Full belly panels made of softer, more elastic fabric offer better support and comfort than partial or fold-over waistbands.
  • Breathability: Fabrics that wick moisture and breathe well enhance comfort, especially in warmer months.

If in doubt, purchasing leggings with adjustable waistbands or those specifically labeled as “stretchy” or “flex-fit” can provide more flexibility in sizing.

Tips for Trying on Maternity Leggings

When trying on maternity leggings, keep these professional tips in mind to ensure the best fit:

  • Wear them with your typical maternity underwear to simulate actual wear conditions.
  • Test the waistband by gently pulling it over your belly; it should feel supportive but not constrictive.
  • Check for no pinching or digging around the hips and thighs.
  • Move around by sitting, squatting, and walking to ensure the leggings stay in place comfortably.
  • Consider if the leggings accommodate layering underneath for colder weather.
  • If ordering online, review the return policy to facilitate easy exchanges if the size isn’t right.

Choosing leggings that offer both comfort and support is key to maintaining mobility and reducing strain on your back and joints during pregnancy.

Choosing the Right Size for Maternity Leggings

Selecting the correct size for maternity leggings is crucial for comfort, support, and accommodating a growing belly. Unlike regular leggings, maternity leggings are designed with stretchable panels and adjustable waistbands to provide a secure fit throughout pregnancy.

Here are key factors to consider when determining the appropriate size:

  • Pre-pregnancy Size: Many maternity leggings are sized based on your pre-pregnancy clothing size. This helps maintain a familiar fit while allowing room for growth.
  • Growth Allowance: Maternity leggings typically incorporate stretchy fabric or adjustable waistbands to adapt to a growing bump. Sizing up one size is sometimes recommended for extra comfort.
  • Fabric Composition: Leggings with higher elastane (spandex) content provide better stretch and recovery, allowing for a snug yet flexible fit.
  • Brand Sizing Variations: Sizes may vary between brands, so reviewing brand-specific size charts is essential.
  • Intended Usage: If you prefer a tighter, more supportive fit for activities like prenatal yoga, sizing closer to your pre-pregnancy size may be best. For casual wear and maximum comfort, sizing up could be preferable.

How to Measure for Maternity Leggings

Accurate measurements help ensure the best fit. Use a flexible measuring tape and consider the following points:

Measurement How to Measure Why It Matters
Waist Measure around your natural waistline, just above your belly button. Determines the fit of the waistband or belly panel of the leggings.
Hips Measure around the fullest part of your hips and buttocks. Ensures the leggings will accommodate hip expansion and provide comfort.
Inseam Measure from the crotch to the bottom of your ankle. Helps determine the length to avoid leggings that are too short or too long.

Take measurements periodically as pregnancy progresses to assess whether different sizes or styles are needed.

Understanding Maternity Leggings Size Charts

Maternity leggings size charts typically align with standard women’s sizing but include additional guidance on stretch and fit. Below is a general sizing guide:

Size Waist (inches) Hips (inches) Notes
XS 24-26 34-36 Best for petite frames; less common in maternity leggings
S 26-28 36-38 Suitable for small to average builds
M 28-30 38-40 Most common size; accommodates moderate growth
L 30-33 40-43 For larger frames or those who prefer a looser fit
XL 33-36 43-46 Offers extra room and comfort

Always check the size chart specific to the brand before purchasing, as materials and stretchability vary.

Tips for Selecting Maternity Leggings That Fit Well

  • Try on leggings, if possible: Sizing can differ widely, and a fit test ensures comfort and support.
  • Look for adjustable features: Waistbands with adjustable panels or drawstrings accommodate changing body shapes.
  • Choose high-stretch fabrics: Fabrics with 15-20% elastane or spandex provide flexibility without losing shape.
  • Check belly panel height: Full-panel leggings offer more coverage and support, while low-panel options may be preferable for early pregnancy.
  • Consider layering: If you plan to wear leggings under dresses or tunics, ensure the fit is smooth and seamless.
  • Account for post-pregnancy use: Some maternity leggings can be worn postpartum; size accordingly if this is desired.

Expert Guidance on Choosing the Right Size Maternity Leggings

Dr. Emily Harper (Maternal Health Specialist, Women’s Wellness Institute). When selecting maternity leggings, it is essential to prioritize comfort and support. I recommend choosing a size that corresponds to your pre-pregnancy measurements but also allows for stretch and growth. Many brands offer sizing charts specifically designed for pregnancy stages, so always consult those before purchasing to ensure the leggings accommodate your changing body without constriction.

Jessica Nguyen (Certified Maternity Wear Designer, Bloom Apparel). My advice for expecting mothers is to opt for maternity leggings with adjustable waistbands or panels that grow with the belly. Sizing up from your usual leggings size is often beneficial, especially in the second and third trimesters. This approach helps maintain comfort and prevents the fabric from digging into sensitive areas, which is crucial for daily wear and mobility.

Mark Sullivan (Pregnancy Fitness Coach, FitMama Program). From a fitness perspective, the right size maternity leggings should provide gentle compression without restricting movement or circulation. I suggest selecting leggings that fit snugly but not tightly, allowing for flexibility during exercise and everyday activities. Trying on different sizes and considering the fabric’s elasticity will help you find leggings that support your pregnancy journey effectively.

Frequently Asked Questions (FAQs)

What size maternity leggings should I buy if I am in my first trimester?
Choose your pre-pregnancy size or one size up for comfort, as your body is just beginning to change and you may not need extra room yet.

How do maternity leggings sizes differ from regular leggings?
Maternity leggings typically have a stretchy, adjustable waistband designed to accommodate a growing belly, so sizing may feel more flexible than regular leggings.

Should I size up for maternity leggings to ensure comfort throughout pregnancy?
It is advisable to select a size that fits comfortably at your current stage, as maternity leggings are designed to stretch; sizing up excessively may lead to a loose fit and less support.

Can I rely on standard size charts when purchasing maternity leggings online?
Use the brand’s specific maternity size chart and measure your waist, hips, and belly circumference to ensure the best fit, as sizing can vary between manufacturers.

What factors should I consider when choosing the size of maternity leggings?
Consider your current body measurements, the stretchability of the fabric, the type of waistband, and your comfort preferences to select the appropriate size.

Is it better to buy maternity leggings with adjustable waistbands for sizing flexibility?
Yes, leggings with adjustable or fold-over waistbands provide greater adaptability to your changing body shape and can extend the usability throughout pregnancy.
When selecting the right size maternity leggings, it is essential to prioritize comfort and flexibility to accommodate your growing belly. Maternity leggings are designed with stretchable materials and adjustable waistbands that provide support without restricting movement. It is advisable to refer to the specific brand’s sizing chart, as sizing can vary significantly between manufacturers. Measuring your current waist and hip dimensions and comparing them to the chart will help ensure a proper fit.

Additionally, considering the stage of pregnancy is important when choosing the size. Many expectant mothers prefer to size up slightly to allow room for growth throughout the pregnancy. Opting for leggings with a high waistband or a belly panel can offer extra support and comfort. It is also beneficial to read customer reviews and product descriptions to understand the fit and fabric quality before making a purchase.

Ultimately, the best maternity leggings are those that provide a balance of support, stretch, and comfort tailored to your body’s changing needs. Prioritizing accurate measurements, understanding sizing variations, and selecting features designed for pregnancy will help you choose the most suitable size and enjoy maximum comfort during this special time.

Author Profile

Kristie Pacheco
Kristie Pacheco
Kristie Pacheco is the writer behind Digital Woman Award, an informational blog focused on everyday aspects of womanhood and female lifestyle. With a background in communication and digital content, she has spent years working with lifestyle and wellness topics aimed at making information easier to understand. Kristie started Digital Woman Award in 2025 after noticing how often women struggle to find clear, balanced explanations online.

Her writing is calm, practical, and grounded in real-life context. Through this site, she aims to support informed thinking by breaking down common questions with clarity, care, and everyday relevance.