What Is Postpartum Hemorrhage? Signs, Causes, and When to Get Help After Birth

Bleeding after birth is something every postpartum parent experiences, but sometimes the amount of bleeding people expect and what is actually normal can feel confusing.

Which is why many people eventually end up asking the same question.

What is postpartum hemorrhage?

Or sometimes the question comes up in a slightly different way, like wondering how much bleeding after birth is too much, or when it might be time to call a healthcare provider.

Postpartum hemorrhage is not something people love talking about, but understanding what it is can actually make the postpartum period feel less confusing. The goal is not to scare anyone. It is simply about knowing what is normal and when it might be time to reach out for medical care.

So let’s walk through it together.

First, it helps to understand that bleeding after birth is completely normal. Your body has just delivered a baby and a placenta, and the uterus now has to heal where the placenta was attached. This healing process causes postpartum bleeding called lochia, which can last around four to six weeks.

But postpartum hemorrhage is different.

Postpartum hemorrhage is defined as excessive bleeding after birth. In medical terms, it generally means losing more than about 500 millilitres of blood after a vaginal birth or more than 1000 millilitres after a cesarean birth.

It can happen immediately after birth, which is called primary postpartum hemorrhage, or it can happen hours or even days later.

The reason healthcare teams watch closely in the hours after delivery is because that is when the risk is highest.

One of the main reasons postpartum hemorrhage can occur is something called uterine atony. This simply means the uterus is not contracting strongly enough after the placenta is delivered.

Normally, after birth the uterus tightens down to clamp the blood vessels where the placenta was attached. If the uterus stays too relaxed, those blood vessels can continue bleeding.

There are other possible causes too. Sometimes small pieces of placenta remain in the uterus. Sometimes there are tears in the cervix or vaginal tissue. Certain medical conditions or long labours can also increase the risk.

The good news is that birth teams are trained to recognize and manage these situations quickly.

That is actually why fundal checks happen in the early postpartum hours. You may remember a nurse or provider pressing firmly on your abdomen to feel your uterus. It is not the most comfortable experience, but they are checking to make sure the uterus is firm and contracting the way it should.

A firm uterus usually means the body is doing its job, controlling bleeding.

When people leave the hospital or birth centre, the risk becomes much lower, but it is still important to know what symptoms should not be ignored.

Bleeding that soaks through a pad in an hour, passing very large clots repeatedly. Feeling dizzy or faint, a sudden increase in bleeding after it had been slowing down.

Those are all signs that deserve medical attention right away.

Most of the time, postpartum bleeding gradually becomes lighter over the weeks after birth. It shifts from bright red to pink or brown and eventually to a lighter discharge before stopping altogether.

But if something suddenly feels different or concerning, it is always okay to check in with a healthcare provider.

One thing that does not get talked about enough is how much the body is actually recovering during the postpartum period. The uterus is shrinking back down, hormones are shifting, and your body is healing internally in ways that are not always visible.

That is one of the reasons postpartum support can be so valuable. Having someone who understands the normal recovery process can help families feel less alone while navigating those early weeks.

If you are planning for the postpartum period or want more information about what recovery after birth can look like, you can explore my Birth and Postpartum Support page, where I talk more about how families can be supported during that transition.

There are also more conversations like this throughout my blog and education pages here on the site, because honestly, a lot of the things parents worry about during pregnancy and postpartum are things no one explained clearly in the first place.

Postpartum hemorrhage is serious, but it is also something healthcare teams are trained to manage and something that becomes much easier to navigate when families know what signs to watch for.

Sometimes, knowledge really is one of the most reassuring things you can carry with you into birth and the postpartum period.