Maternal health
Postpartum warning signs: when to call your provider and when to call 911
May 20, 2026 · 7 min read
The weeks after birth are when many serious problems appear, and they often show up while you are exhausted and focused on a newborn. Most pregnancy-related deaths in the United States are preventable (CDC), and many happen in the postpartum period, so knowing the warning signs and acting on them early can save your life.
Why the postpartum window matters
Recovery does not end the day you leave the hospital. Serious complications such as high blood pressure, infection, heavy bleeding, and blood clots can begin days or weeks after birth, sometimes up to a year later. The hard part is that the early signs are easy to dismiss as normal tiredness or the ordinary aches of recovery. Treating warning signs as worth a phone call, not something to wait out, is one of the most protective things you can do for yourself.
Signs that mean call 911 right now
Some symptoms are emergencies and should not wait for a callback. Call 911 if you have trouble breathing, chest pain, or a seizure. Call 911 for heavy bleeding that soaks more than one pad in an hour or passing clots larger than an egg, for fainting or loss of consciousness, or for thoughts of harming yourself or your baby. If you are not sure whether something is an emergency, it is always safer to call 911 than to wait and see.
Signs that mean call your provider today
Other symptoms are not always emergencies but still need same-day attention. Call your provider for a fever of 100.4 degrees Fahrenheit or higher, a bad headache that does not improve with rest or medicine, or changes in your vision such as spots or blurriness, which can be signs of dangerous high blood pressure. Call about redness, swelling, or pain in one leg, a red or tender area on your breast with chills, foul-smelling discharge, or an incision that is opening or oozing. When in doubt, describe what you feel and let your care team decide what is urgent.
Your mind is part of recovery too
Postpartum mood changes are common and are a real medical concern, not a personal failing. Feeling sad, anxious, or overwhelmed for more than two weeks, being unable to sleep even when the baby sleeps, or losing interest in things you used to enjoy are all reasons to reach out. If you ever have thoughts of harming yourself or your baby, treat it as an emergency and call 911 or the 988 Suicide and Crisis Lifeline. Help exists, and asking for it is a sign of good parenting, not weakness.
How Materna helps you notice sooner
It is hard to track how you are healing when you are running on little sleep. With the Mommy Passport, you can log a symptom, a blood pressure reading, or how you are feeling just by talking, in English or Spanish, on the phone you already have. Concerning values get flagged so a rising blood pressure or a new symptom does not wait until your next appointment. The app is free for patients and is designed to be HIPAA-aligned, and it keeps your postpartum history in one place so any provider you see starts with the full picture.
Trust what your body is telling you
You know your body better than anyone, and you do not need to be certain a symptom is serious before you call. Materna does not replace your clinician, and a flagged reading in the app is a prompt to seek care, not a diagnosis. Keep your provider number and the local emergency number where you can find them, and remember the simple rule: emergencies mean 911, and anything that worries you today means a call to your provider.
Frequently asked questions
- How long after birth can postpartum complications happen?
- Serious complications can appear days, weeks, or even up to a year after birth. The postpartum period is a high-risk time, so keep watching for warning signs well after you leave the hospital and at every checkup.
- When should I call 911 instead of my provider?
- Call 911 for any emergency, including trouble breathing, chest pain, a seizure, heavy bleeding that soaks more than one pad an hour or clots larger than an egg, fainting, or thoughts of harming yourself or your baby. If you are unsure whether it is an emergency, calling 911 is the safer choice.
- Can the Mommy Passport tell me if something is wrong?
- The Mommy Passport can flag a concerning reading or symptom so you seek care sooner, but it does not diagnose you and does not replace your clinician. Use it to keep track and to prompt a call, then let your care team decide what is urgent.