thredUP LogothredUP | An Online Consignment & Thrift StorethredUP
Magnifying glassMagnifying glass icon
My thredUPMy thredUP Icon
0
CartLink to your thredUP cart
Check out

Maternity Activewear

ChevronNavigation chevron icon

Finding the right clothing is incredibly important when you're expecting. You want maternity activewear that fits your body, your needs, and your lifestyle. Get the perfect look for up to 90% off estimated retail at thredUP.

70 items
Beyond the Bump by Beyond Yoga Size XS Maternity

View Product: Beyond the Bump by Beyond Yoga Size XS Maternity

Beyond the Bump by Beyond Yoga

Size XS Maternity
$51.99 $143

$41.59 20% off with

Old Navy Size Lg Maternity

View Product: Old Navy Size Lg Maternity

Old Navy

Size Lg Maternity
$32.99 $100
Active by Old Navy Size Med Maternity

View Product: Active by Old Navy Size Med Maternity

Active by Old Navy

Size Med Maternity
$16.99 $33

$13.59 20% off with

Motherhood Size Lg Maternity

View Product: Motherhood Size Lg Maternity

Motherhood

Size Lg Maternity
$18.99 $36

$15.19 20% off with

Livia Size 26 Plus
Price Drop BadgePrice Drop

View Product: Livia Size 26 Plus

Livia

Size 26 Plus
$25.99 $89

$12.99 50% off with

Active by Old Navy Size XS Maternity

View Product: Active by Old Navy Size XS Maternity

Active by Old Navy

Size XS Maternity
$18.99 $33

$15.19 20% off with

Ingrid + Isabel Size XS Maternity

View Product: Ingrid + Isabel Size XS Maternity

Ingrid + Isabel

Size XS Maternity
$40.99 $149

$32.79 20% off with

Active by Old Navy Size XS Maternity

View Product: Active by Old Navy Size XS Maternity

Active by Old Navy

Size XS Maternity
$18.99 $33

$15.19 20% off with

Gap Fit Maternity Size Sm Maternity

View Product: Gap Fit Maternity Size Sm Maternity

Gap Fit Maternity

Size Sm Maternity
$22.99 $71

$18.39 20% off with

Beyond the Bump by Beyond Yoga Size XS Maternity
Price Drop BadgePrice Drop

View Product: Beyond the Bump by Beyond Yoga Size XS Maternity

Beyond the Bump by Beyond Yoga

Size XS Maternity
$44.99 $143

$26.99 40% off with

Ingrid + Isabel Size XS Maternity

View Product: Ingrid + Isabel Size XS Maternity

Ingrid + Isabel

Size XS Maternity
$28.99 $89

$20.29 30% off with

Be Maternity Size XS Maternity

View Product: Be Maternity Size XS Maternity

Be Maternity

Size XS Maternity
$5.99 $22
Wacoal Size 0 Maternity
Price Drop BadgePrice Drop

View Product: Wacoal Size 0 Maternity

Wacoal

Size 0 Maternity
$17.99 $36

$10.79 40% off with

Motherhood Size Sm Maternity

View Product: Motherhood Size Sm Maternity

Motherhood

Size Sm Maternity
$20.99 $36
Motherhood Size Sm Maternity

View Product: Motherhood Size Sm Maternity

Motherhood

Size Sm Maternity
$20.99 $36
Ingrid + Isabel Size XS Maternity

View Product: Ingrid + Isabel Size XS Maternity

Ingrid + Isabel

Size XS Maternity
$27.99 $89
Anagram Size Med Maternity

View Product: Anagram Size Med Maternity

Anagram

Size Med Maternity
$37.99 $107
Gap Fit Maternity Size Sm Maternity
New With Tags BadgeNew With Tags

View Product: Gap Fit Maternity Size Sm Maternity

Gap Fit Maternity

Size Sm Maternity
$26.99 $71
Feathers Size Sm Maternity

View Product: Feathers Size Sm Maternity

Feathers

Size Sm Maternity
$10.99 $18
SPANX Size XL Maternity

View Product: SPANX Size XL Maternity

SPANX

Size XL Maternity
$22.99 $54
Lalabu Size Med Maternity

View Product: Lalabu Size Med Maternity

Lalabu

Size Med Maternity
$28.99 $71
Jessica Simpson Size Med Maternity

View Product: Jessica Simpson Size Med Maternity

Jessica Simpson

Size Med Maternity
$23.99 $71
Motherhood Size 2X Maternity

View Product: Motherhood Size 2X Maternity

Motherhood

Size 2X Maternity
$50.99 $71
Active by Old Navy Size XS Maternity

View Product: Active by Old Navy Size XS Maternity

Active by Old Navy

Size XS Maternity
$12.99 $33
Active by Old Navy Size XS Maternity

View Product: Active by Old Navy Size XS Maternity

Active by Old Navy

Size XS Maternity
$9.99 $17
Isabel Maternity Size Sm Maternity

View Product: Isabel Maternity Size Sm Maternity

Isabel Maternity

Size Sm Maternity
$13.99 $22
A Pea in the Pod Size Lg Maternity

View Product: A Pea in the Pod Size Lg Maternity

A Pea in the Pod

Size Lg Maternity
$37.99 $89
Old Navy Size Med Maternity

View Product: Old Navy Size Med Maternity

Old Navy

Size Med Maternity
$11.99 $20
Be Maternity Size Lg Maternity

View Product: Be Maternity Size Lg Maternity

Be Maternity

Size Lg Maternity
$12.99 $22
Assorted Brands Size Sm Maternity

View Product: Assorted Brands Size Sm Maternity

Assorted Brands

Size Sm Maternity
$18.99 $36
Motherhood Size Sm Maternity

View Product: Motherhood Size Sm Maternity

Motherhood

Size Sm Maternity
$25.99 $36
Adidas Stella McCartney Size Med Maternity

View Product: Adidas Stella McCartney Size Med Maternity

Adidas Stella McCartney

Size Med Maternity
$40.99 $120
Gap Fit Maternity Size Sm Maternity

View Product: Gap Fit Maternity Size Sm Maternity

Gap Fit Maternity

Size Sm Maternity
$29.99 $71
Motherhood Size Sm Maternity

View Product: Motherhood Size Sm Maternity

Motherhood

Size Sm Maternity
$19.99 $36
H&M Mama Size Sm Maternity

View Product: H&M Mama Size Sm Maternity

H&M Mama

Size Sm Maternity
$24.99 $36
Beyond the Bump by Beyond Yoga Size Sm Maternity

View Product: Beyond the Bump by Beyond Yoga Size Sm Maternity

Beyond the Bump by Beyond Yoga

Size Sm Maternity
$59.99 $143
Old Navy - Maternity Size Lg Maternity

View Product: Old Navy - Maternity Size Lg Maternity

Old Navy - Maternity

Size Lg Maternity
$16.99 $36
Beyond the Bump by Beyond Yoga Size Sm Maternity

View Product: Beyond the Bump by Beyond Yoga Size Sm Maternity

Beyond the Bump by Beyond Yoga

Size Sm Maternity
$57.99 $143
Motherhood Size Lg Maternity

View Product: Motherhood Size Lg Maternity

Motherhood

Size Lg Maternity
$19.99 $36
A Pea in the Pod Size Med Maternity

View Product: A Pea in the Pod Size Med Maternity

A Pea in the Pod

Size Med Maternity
$31.99 $89
Isabel Maternity Size Lg Maternity

View Product: Isabel Maternity Size Lg Maternity

Isabel Maternity

Size Lg Maternity
$16.99 $22
lucy Size Lg Maternity

View Product: lucy Size Lg Maternity

lucy

Size Lg Maternity
$22.99 $54
Gap - Maternity Size Sm Maternity

View Product: Gap - Maternity Size Sm Maternity

Gap - Maternity

Size Sm Maternity
$19.99 $45
Active by Old Navy Size Sm Maternity

View Product: Active by Old Navy Size Sm Maternity

Active by Old Navy

Size Sm Maternity
$19.99 $45
a:glow Size XL Maternity
New With Tags BadgeNew With Tags

View Product: a:glow Size XL Maternity

a:glow

Size XL Maternity
$15.99 $30
Ingrid + Isabel Size Sm Maternity

View Product: Ingrid + Isabel Size Sm Maternity

Ingrid + Isabel

Size Sm Maternity
$34.99 $89
Beyond the Bump by Beyond Yoga Size Med Maternity

View Product: Beyond the Bump by Beyond Yoga Size Med Maternity

Beyond the Bump by Beyond Yoga

Size Med Maternity
$57.99 $143
Liz Lange Maternity Size XXL Maternity

View Product: Liz Lange Maternity Size XXL Maternity

Liz Lange Maternity

Size XXL Maternity
$19.99 $54
Athleta Size Sm Maternity

View Product: Athleta Size Sm Maternity

Athleta

Size Sm Maternity
$26.99 $95
Rune NYC Size Med Maternity

View Product: Rune NYC Size Med Maternity

Rune NYC

Size Med Maternity
$31.99 $143