Trending Categories
Trending Brands
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.
146 items
Sort by:
View Product: BeMaternity by Ingrid & Isabel Active Pants
BeMaternity by Ingrid & Isabel
Active Pants
Size Sm Maternity
$15.99 $8.79 45% off with code GOBIG
57% off estimated retailView Product: Beyond the Bump by Beyond Yoga Active Pants
Beyond the Bump by Beyond Yoga
Active Pants
Size Med Maternity
$59.99 $32.99 45% off with code GOBIG
60% off estimated retailView Product: Old Navy - Maternity Sweatpants
Old Navy - Maternity
Sweatpants
Size Sm Maternity
$16.99 $9.34 45% off with code GOBIG
32% off estimated retailView Product: Unbranded Athletic Shorts
Unbranded
Athletic Shorts
Size Med Maternity
$15.99 $8.79 45% off with code GOBIG
36% off estimated retailView Product: A Pea in the Pod Active Pants
A Pea in the Pod
Active Pants
Size Sm Maternity
$27.99 $15.39 45% off with code GOBIG
70% off estimated retailView Product: Gap Fit Athletic Shorts
Gap Fit
Athletic Shorts
Size XXL Maternity
$17.99 $9.89 45% off with code GOBIG
55% off estimated retailView Product: Oh Baby By Motherhood Active Tank
Oh Baby By Motherhood
Active Tank
Size XL Maternity
$21.99 $12.09 45% off with code GOBIG
42% off estimated retailView Product: Bump Start by Motherhood Maternity Active T-Shirt
Bump Start by Motherhood Maternity
Active T-Shirt
Size XL Maternity
$21.99 $12.09 45% off with code GOBIG
50% off estimated retailView Product: Liz Lange Maternity for Target Active Tank
Liz Lange Maternity for Target
Active Tank
Size Lg Maternity
$22.99 $12.64 45% off with code GOBIG
39% off estimated retailView Product: Isabel Maternity Active Pants
Isabel Maternity
Active Pants
Size Lg Maternity
$18.99 $10.44 45% off with code GOBIG
20% off estimated retailView Product: Ingrid + Isabel Active Pants
Ingrid + Isabel
Active Pants
Size Lg Maternity
$30.99 $17.04 45% off with code GOBIG
67% off estimated retailView Product: Gap - Maternity Active T-Shirt
Gap - Maternity
Active T-Shirt
Size XS Maternity
$22.99 $12.64 45% off with code GOBIG
52% off estimated retailView Product: Luvmabelly Active T-Shirt
Luvmabelly
Active T-Shirt
Size XL Maternity
$23.99 $13.19 45% off with code GOBIG
44% off estimated retailView Product: Gap - Maternity Sweatpants
Gap - Maternity
Sweatpants
Size XL Maternity
$21.99 $12.09 45% off with code GOBIG
54% off estimated retailView Product: Beyond the Bump by Beyond Yoga Yoga Pants
Beyond the Bump by Beyond Yoga
Yoga Pants
Size Med Maternity
$48.99 $26.94 45% off with code GOBIG
67% off estimated retailView Product: Gap - Maternity Active Pants
Gap - Maternity
Active Pants
Size Med Maternity
$19.99 $10.99 45% off with code GOBIG
58% off estimated retailView Product: Old Navy - Maternity Sweatpants
Old Navy - Maternity
Sweatpants
Size Lg Maternity
$25.99 $14.29 45% off with code GOBIG
44% off estimated retailView Product: Laundry by Shelli Segal Sweatpants
Laundry by Shelli Segal
Sweatpants
Size Med Maternity
$37.99 $20.89 45% off with code GOBIG
67% off estimated retailView Product: Old Navy - Maternity Sweatpants
Old Navy - Maternity
Sweatpants
Size Med Maternity
$21.99 $12.09 45% off with code GOBIG
52% off estimated retailView Product: Old Navy - Maternity Sweatpants
Old Navy - Maternity
Sweatpants
Size XS Maternity
$19.99 $10.99 45% off with code GOBIG
47% off estimated retailView Product: Ingrid + Isabel Sweatpants
Ingrid + Isabel
Sweatpants
Size Lg Maternity
$47.99 $26.39 45% off with code GOBIG
69% off estimated retailView Product: A Pea in the Pod Sweatpants
A Pea in the Pod
Sweatpants
Size Lg Maternity
$30.99 $17.04 45% off with code GOBIG
73% off estimated retailView Product: Oh Baby By Motherhood Active Pants
Oh Baby By Motherhood
Active Pants
Size Lg Maternity
$9.99 $5.49 45% off with code GOBIG
73% off estimated retailView Product: Old Navy - Maternity Sweatpants
Old Navy - Maternity
Sweatpants
Size Lg Maternity
$25.99 $14.29 45% off with code GOBIG
44% off estimated retailView Product: Old Navy - Maternity Sweatpants
Old Navy - Maternity
Sweatpants
Size Lg Maternity
$28.99 $15.94 45% off with code GOBIG
36% off estimated retailView Product: Gap - Maternity Sweatpants
Gap - Maternity
Sweatpants
Size Sm Maternity
$19.99 $10.99 45% off with code GOBIG
58% off estimated retailView Product: Gap - Maternity Sweatpants
Gap - Maternity
Sweatpants
Size Sm Maternity
$23.99 $13.19 45% off with code GOBIG
50% off estimated retailView Product: Motherhood Active Pants
Motherhood
Active Pants
Size XL Maternity
$22.99 $12.64 45% off with code GOBIG
39% off estimated retailView Product: Gap - Maternity Fleece Pants
Gap - Maternity
Fleece Pants
Size Med Maternity
$22.99 $12.64 45% off with code GOBIG
52% off estimated retailView Product: Kindred Bravely Sports Bra
Kindred Bravely
Sports Bra
Size Med Maternity
$21.99 $12.09 45% off with code GOBIG
54% off estimated retailView Product: Motherhood Track Jacket
Motherhood
Track Jacket
Size Med Maternity
$48.99 $26.94 45% off with code GOBIG
42% off estimated retailView Product: Isabel Maternity Active Tank
Isabel Maternity
Active Tank
Size Sm Maternity
$14.99 $8.24 45% off with code GOBIG
45% off estimated retailView Product: Ingrid + Isabel Active Pants
Ingrid + Isabel
Active Pants
Size Med Maternity
$30.99 $17.04 45% off with code GOBIG
73% off estimated retailView Product: Ingrid + Isabel Active Pants
Ingrid + Isabel
Active Pants
Size Lg Maternity
$26.99 $14.84 45% off with code GOBIG
71% off estimated retailView Product: Kindred Bravely Active T-Shirt
Kindred Bravely
Active T-Shirt
Size Sm Maternity
$26.99 $14.84 45% off with code GOBIG
52% off estimated retailView Product: Beyond the Bump by Beyond Yoga Active Pants
Beyond the Bump by Beyond Yoga
Active Pants
Size Lg Maternity
$45.99 $25.29 45% off with code GOBIG
69% off estimated retailView Product: Beyond the Bump by Beyond Yoga Sweatpants
Beyond the Bump by Beyond Yoga
Sweatpants
Size Sm Maternity
$56.99 $31.34 45% off with code GOBIG
71% off estimated retailView Product: Beyond the Bump by Beyond Yoga Active Tank
Beyond the Bump by Beyond Yoga
Active Tank
Size Med Maternity
$61.99 $34.09 45% off with code GOBIG
67% off estimated retailView Product: Isabel Maternity Active Tank
Isabel Maternity
Active Tank
Size Sm Maternity
$18.99 $10.44 45% off with code GOBIG
33% off estimated retailView Product: Isabel Maternity Active Pants
Isabel Maternity
Active Pants
Size Lg Maternity
$12.99 $7.14 45% off with code GOBIG
45% off estimated retailView Product: Old Navy - Maternity Sweatpants
Old Navy - Maternity
Sweatpants
Size Med Maternity
$25.99 $14.29 45% off with code GOBIG
44% off estimated retailView Product: Isabel Maternity Athletic Shorts
Isabel Maternity
Athletic Shorts
Size Sm Maternity
$9.99 $5.49 45% off with code GOBIG
37% off estimated retailView Product: Old Navy - Maternity Active T-Shirt
Old Navy - Maternity
Active T-Shirt
Size Med Maternity
$21.99 $12.09 45% off with code GOBIG
52% off estimated retailView Product: Isabel Maternity Active Pants
Isabel Maternity
Active Pants
Size Lg Maternity
$14.99 $8.24 45% off with code GOBIG
53% off estimated retailView Product: Ingrid + Isabel Active Tank
Ingrid + Isabel
Active Tank
Size Sm Maternity
$18.99 $10.44 45% off with code GOBIG
75% off estimated retailView Product: Old Navy - Maternity Active Tank
Old Navy - Maternity
Active Tank
Size XL Maternity
$20.99 $11.54 45% off with code GOBIG
44% off estimated retailView Product: Gap - Maternity Active Pants
Gap - Maternity
Active Pants
Size Med Maternity
$17.99 $9.89 45% off with code GOBIG
62% off estimated retailView Product: Beyond the Bump by Beyond Yoga Active Tank
Beyond the Bump by Beyond Yoga
Active Tank
Size XL Maternity
$45.99 $25.29 45% off with code GOBIG
69% off estimated retailView Product: Beyond the Bump by Beyond Yoga Yoga Pants
Beyond the Bump by Beyond Yoga
Yoga Pants
Size XL Maternity
$45.99 $25.29 45% off with code GOBIG
69% off estimated retailView Product: glowe Maternity Active Pants
glowe Maternity
Active Pants
Size Med Maternity
$36.99 $20.34 45% off with code GOBIG
68% off estimated retailView Product: Lululemon Athletica Active T-Shirt
Lululemon Athletica
Active T-Shirt
Size 10 Maternity
$38.99 $21.44 45% off with code GOBIG
63% off estimated retailView Product: Isabel Maternity Active T-Shirt
Isabel Maternity
Active T-Shirt
Size XL Maternity
$12.99 $7.14 45% off with code GOBIG
45% off estimated retailView Product: Active by Old Navy Active Pants
Active by Old Navy
Active Pants
Size Sm Maternity
$19.99 $10.99 45% off with code GOBIG
45% off estimated retailView Product: Gap - Maternity Sweatpants
Gap - Maternity
Sweatpants
Size Lg Maternity
$23.99 $13.19 45% off with code GOBIG
58% off estimated retailView Product: Beyond the Bump by Beyond Yoga Active Tank
Beyond the Bump by Beyond Yoga
Active Tank
Size XS Maternity
$49.99 $27.49 45% off with code GOBIG
72% off estimated retailView Product: Ingrid + Isabel Active Pants
Ingrid + Isabel
Active Pants
Size Med Maternity
$38.99 $21.44 45% off with code GOBIG
74% off estimated retailView Product: Beyond the Bump by Beyond Yoga Active Tank
Beyond the Bump by Beyond Yoga
Active Tank
Size Sm Maternity
$66.99 $36.84 45% off with code GOBIG
63% off estimated retailView Product: Tibi for A Pea in the Pod Active Skirt
Tibi for A Pea in the Pod
Active Skirt
Size XS Maternity
$27.99 $15.39 45% off with code GOBIG
56% off estimated retailView Product: Old Navy - Maternity Active Pants
Old Navy - Maternity
Active Pants
Size Sm Maternity
$24.99 $13.74 45% off with code GOBIG
44% off estimated retailView Product: Kindred Bravely Active Pants
Kindred Bravely
Active Pants
Size Sm Maternity
$25.99 $14.29 45% off with code GOBIG
54% off estimated retailView Product: Kindred Bravely Active Pants
Kindred Bravely
Active Pants
Size Sm Maternity
$26.99 $14.84 45% off with code GOBIG
52% off estimated retailView Product: Motherhood Track Jacket
Motherhood
Track Jacket
Size Sm Maternity
$43.99 $24.19 45% off with code GOBIG
42% off estimated retailView Product: Motherhood Track Jacket
Motherhood
Track Jacket
Size Sm Maternity
$39.99 $21.99 45% off with code GOBIG
46% off estimated retailView Product: Old Navy - Maternity Active Pants
Old Navy - Maternity
Active Pants
Size Lg Maternity
$21.99 $12.09 45% off with code GOBIG
52% off estimated retailView Product: Isabel Maternity Active Pants
Isabel Maternity
Active Pants
Size XL Maternity
$10.99 $6.04 45% off with code GOBIG
65% off estimated retailView Product: Old Navy - Maternity Active Pants
Old Navy - Maternity
Active Pants
Size Lg Maternity
$22.99 $12.64 45% off with code GOBIG
50% off estimated retailView Product: Motherhood Active Pants
Motherhood
Active Pants
Size Sm Maternity
$26.99 $14.84 45% off with code GOBIG
39% off estimated retailView Product: Gap - Maternity Active T-Shirt
Gap - Maternity
Active T-Shirt
Size XL Maternity
$19.99 $10.99 45% off with code GOBIG
58% off estimated retailView Product: Old Navy - Maternity Sports Bra
Old Navy - Maternity
Sports Bra
Size Sm Maternity
$10.99 $6.04 45% off with code GOBIG
71% off estimated retailView Product: A Pea in the Pod Active T-Shirt
A Pea in the Pod
Active T-Shirt
Size Sm Maternity
$29.99 $16.49 45% off with code GOBIG
73% off estimated retailView Product: Liz Lange Maternity for Target Active Tank
Liz Lange Maternity for Target
Active Tank
Size XL Maternity
$15.99 $8.79 45% off with code GOBIG
57% off estimated retailView Product: Isabel Maternity Active Pants
Isabel Maternity
Active Pants
Size Sm Maternity
$17.99 $9.89 45% off with code GOBIG
37% off estimated retailView Product: Splendid for A Pea in the Pod Active T-Shirt
Splendid for A Pea in the Pod
Active T-Shirt
Size Lg Maternity
$30.99 $17.04 45% off with code GOBIG
71% off estimated retailView Product: Ingrid + Isabel Sweatpants
Ingrid + Isabel
Sweatpants
Size XL Maternity
$32.99 $18.14 45% off with code GOBIG
74% off estimated retailView Product: Old Navy - Maternity Active Pants
Old Navy - Maternity
Active Pants
Size Med Maternity
$25.99 $14.29 45% off with code GOBIG
44% off estimated retailView Product: Gap - Maternity Active Pants
Gap - Maternity
Active Pants
Size Lg Maternity
$19.99 $10.99 45% off with code GOBIG
58% off estimated retailView Product: Gap - Maternity Active T-Shirt
Gap - Maternity
Active T-Shirt
Size XS Maternity
$18.99 $10.44 45% off with code GOBIG
66% off estimated retailView Product: Ingrid + Isabel Active Pants
Ingrid + Isabel
Active Pants
Size XS Maternity
$37.99 $20.89 45% off with code GOBIG
74% off estimated retailView Product: Old Navy - Maternity Fleece Pants
Old Navy - Maternity
Fleece Pants
Size Med Maternity
$17.99 $9.89 45% off with code GOBIG
70% off estimated retailView Product: Beyond the Bump by Beyond Yoga Active T-Shirt
Beyond the Bump by Beyond Yoga
Active T-Shirt
Size XL Maternity
$44.99 $24.74 45% off with code GOBIG
70% off estimated retailView Product: Ingrid + Isabel Active Pants
Ingrid + Isabel
Active Pants
Size Sm Maternity
$31.99 $17.59 45% off with code GOBIG
71% off estimated retailView Product: Old Navy - Maternity Sweatpants
Old Navy - Maternity
Sweatpants
Size XL Maternity
$17.99 $9.89 45% off with code GOBIG
64% off estimated retailView Product: Beyond the Bump by Beyond Yoga Active Tank
Beyond the Bump by Beyond Yoga
Active Tank
Size Med Maternity
$56.99 $31.34 45% off with code GOBIG
69% off estimated retailView Product: Motherhood Active Pants
Motherhood
Active Pants
Size Sm Maternity
$20.99 $11.54 45% off with code GOBIG
52% off estimated retail