Period underwear and postpartum underwear look alike, but they are designed for different jobs, so the pairs already in your drawer may or may not suit the weeks after birth. The differences show up in coverage, waist height, stretch and drying time. This guide compares them and explains how the two can share the work.
What each product is designed for
Period underwear is reusable underwear with an absorbent panel, made to be worn during a menstrual period, with or without a pad or other product depending on the maker's directions.
Postpartum underwear is sold for the weeks after birth, with features such as stretch, a higher waistband or extra coverage. Designs vary a lot within both categories, so the product page counts for more than the category name.
Absorbency and gusset coverage
The gusset is the panel between the legs where the absorbent layers sit. Compare how far it extends toward the front and, more importantly when you are lying down, toward the back. Then look for these details:
- The number and type of absorbent layers, if the page lists them.
- The absorbency level the brand states, such as light, moderate or heavy.
- Whether the page says the pair is meant to be worn alone or with a backup.
Brands choose their own wording, so two pairs that both say heavy may not hold the same amount. Compare the details the page gives instead.
Waist height and stretch
Period underwear comes in many cuts, from low-rise to high-waisted, and the stretch depends on the fabric. A common feature of postpartum underwear is a softer, higher band and generous stretch for a body that is still changing.
Check the listed rise for any pair you are considering, and look at how the fabric is described. A pair you bought before pregnancy may sit differently now, so try it on and see where the band lands and whether it rolls when you sit. If you had a C-section, ask your care team what they suggest for waistband position around your incision.
Wearing either one with a pad
Some pairs are designed to be worn alone, and others expect a pad as backup. The maker's page or the care label should say which. If you want to place a pad inside a reusable pair and the page does not mention it, ask us before you order.
Shape matters too. A winged pad needs gusset edges it can wrap around, and the wide absorbent gusset on some reusable pairs can leave the wings with nowhere to fold. If that happens, a pad without wings may lie flatter.
When you do use a pad, check that it stays centred and does not bunch. The pads and disposable underwear in our Incontinence Products collection are made for bladder leaks, so check each page for what a product is meant for.
Washing and drying time
Absorbent panels hold moisture, so a pair with thick layers can take longer to dry than regular underwear. In a Canadian winter, when a line outside is not an option, the gusset can still feel damp on an indoor rack after the rest of the pair is dry, so press the panel between your fingers before you put a pair away.
Follow the care label for both types. A cold rinse soon after wearing is a common first step, followed by a machine wash as the label directs. A spare pair or two means a damp pair never forces your choice for the day. Wash day can come around more often than you expect in the early weeks, so count how many pairs of each type you own before you rely on one.
Matching the underwear to heavier and lighter days
How much bleeding you have after birth, and how it changes over the weeks, is a question for your care provider. Underwear cannot tell you what is expected. What it can do is give you options to choose from.
A simple way to plan is in three tiers:
- More coverage. Keep your highest-coverage pair or disposable for nights and long stretches away from home.
- Everyday. Use a mid-level option for time at home.
- Lighter. Keep a lighter option for the days you need less.
If you already own period underwear, you can try a pair at home with a pad as backup to see how it feels before you rely on it. Reusable styles made for bladder leaks are in our Washable Incontinence Underwear collection. Not every reusable garment is absorbent underwear, which matters if you are used to period pairs. The LFDAVP reusable cover pants in Large, 2 Pack are named as cover pants in the title, so read the page for how they are meant to be worn and whether they have any absorbency of their own.
Shop this guide
- Nuliie Breast Milk Storage Bags 120 Count, 8oz250ml Pre-sterilized, BPA Free, Zipper Closure, Clear, Polypropy (ships via Amazon)
- Reusable Incontinence Pads, Liners for Women and Men, White, 1 Pack (ships via Amazon)
- Medela Ultra-Breathable Nursing Pads, Highly Absorbent, Super Soft, Discreet Design for Comfortable Wear, Pack of 200 (ships via Amazon)
- CITURALAN Incontinence Underwear for Men, 150ml, 5 Pack, Size Large (ships via Amazon)
- See all: Postpartum & Nursing Care
- See all: Washable Incontinence Underwear
Prices are on each product page. Free shipping on orders of $100 or more within Canada.
Questions about bleeding go to your care provider
With absorbent underwear, especially in a dark colour, it can be harder to see how much has been absorbed than it is with a pad. If your midwife, doctor or nurse has asked you to keep track of your bleeding, ask them whether they would rather you wore pads for now.
What to expect, how long it lasts and when to call are their questions to answer. If the bleeding worries you or changes suddenly, contact them or your local health line rather than waiting to see how your underwear copes.
Common questions
Can I wear my period underwear right after birth?
It depends on the pair. Compare its coverage, rise and stated absorbency with what you need, and if you have stitches or a C-section incision, ask your care team what they suggest wearing.
Do I need to buy both kinds?
Not necessarily. Some people use what they already own and add a few postpartum pairs to cover the days when they want more coverage or a higher band.
Is period underwear less absorbent than postpartum underwear?
Not necessarily. Absorbency varies by product in both categories, so compare the layers, coverage and stated level on each page rather than assuming from the category.
Can both go in the same wash?
Check each care label. If the labels allow the same cycle and temperature, the pairs can share a load. If they differ, wash them separately, or use the gentler settings that both labels allow.
Would you like help choosing between styles? Send us a message through our contact page and we will go through the options with you.