When Will Your Period Return After Birth

Q: Is it normal for my period not to have returned six months after giving birth?

If you are breastfeeding exclusively or frequently, it is common for your period not to return for many months, sometimes not until you cut down feeds or stop breastfeeding altogether. If you are not breastfeeding and your period has not returned by around 12 weeks after birth, it is worth raising with your GP.

Q: Can I get pregnant again if my period has not come back yet?

Yes. Ovulation happens before a period, so you can become pregnant before your first one after birth arrives. Your fertility can return as early as three weeks after birth. If you want to avoid pregnancy, speak to your GP, midwife, or health visitor about your options, as some can be used from day 21 after birth.

Q: Why is my first period after birth so much heavier than usual?

A heavier first period after birth is common, partly because the uterus has more lining to shed after pregnancy. This often settles over the next few cycles. If your bleeding is very heavy, soaking through period products every hour for two hours or more, contact your GP.

Q: Will breastfeeding always delay my period?

Breastfeeding raises prolactin, the hormone that holds back ovulation and delays your period. The effect is strongest with frequent, exclusive breastfeeding. As your baby sleeps longer, takes solid foods, or feeds less often, prolactin can drop and your cycle may start again. The timing varies a lot from person to person.

Hand holding a pill bottle with another hand gesturing towards it.

The information in this article is for general informational purposes only and does not substitute for professional medical or dietary advice, particularly during pregnancy. If you are outside the UK, please consult your local doctor, midwife, or healthcare provider for guidance that reflects your country's recommendations.

In the weeks after birth, you may find yourself wondering when your period will come back, and feeling unsure what it will even look like. There is no single timeline for when your period returns after birth. When your cycle does come back, it may feel different to what you knew before pregnancy. Understanding what is likely, and why, can make the uncertainty a little easier to sit with.⁶

The bleeding that comes before your period

Before your period returns, you will have a different kind of bleeding called lochia. This is your body shedding blood and tissue from the uterus after birth, and it is not a period. It usually lasts for up to six weeks, easing in colour and flow over that time, moving from red to pink to a pale discharge. Your period will only come back once lochia has stopped.⁷

How long it usually takes for your period to return

If you are formula-feeding, or mixing formula with breastfeeding, your period often returns around five to six weeks after giving birth. This is a general guide rather than a fixed date, and your own timing may fall outside that window and still be completely usual.⁸

If you are breastfeeding exclusively, your period may stay away for many months. It may not come back until you stop breastfeeding or reduce how often you feed. This is a normal response to feeding your baby, driven by the hormones involved in making milk.⁹

How breastfeeding holds your period back

Breastfeeding delays the return of your periods due to prolactin, the hormone your body makes to produce milk. Prolactin quietens the hormones that trigger ovulation, and without ovulation, a period does not happen. This is sometimes called lactational amenorrhoea, which simply means the absence of periods while you are breastfeeding.²

As your feeding pattern shifts, prolactin levels can drop and ovulation may start again. If your baby begins sleeping through the night, starts solid foods, or feeds less often, those changes can be enough to bring your period back. You may notice your cycle returns around the time of one of these changes.³

Mother nursing her baby in a lounge setting.

What the first periods after birth may feel like

Your first few cycles after birth are often unpredictable in timing and flow. It can take several months for your cycle to settle into a steady pattern, especially if you are breastfeeding.⁵

Your periods may come back heavier and more painful than before, partly because the uterus has more lining to shed after pregnancy. You might find the opposite too, with lighter and more comfortable periods after giving birth. Both happen, and the picture varies a lot from person to person.⁴

Fertility before your first period returns

It is worth knowing that you can become pregnant again before your first period after birth arrives. Ovulation happens before a period, so your fertility can return before you see any sign that your cycle is back. This can happen as early as three weeks after birth.¹

Keeping track of your returning cycle

Once your period does come back, noting the dates and any changes in flow or symptoms can help you build a picture of your new cycle. This is useful to share with your GP or midwife if you have questions, especially in the first few months when things tend to be unpredictable.

If you have questions about your cycle after birth, contraception, or any symptoms that feel unusual or hard to manage, your GP, midwife, or health visitor are the right people to speak to. You can also call NHS 111 if you need guidance outside surgery hours.

Frequently Asked Questions

Is it normal for my period not to have returned six months after giving birth?

Can I get pregnant again if my period has not come back yet?

Why is my first period after birth so much heavier than usual?

Will breastfeeding always delay my period?

Sources

[1] Sex and contraception after birth

It is possible to become pregnant again before your first postpartum period, as ovulation occurs before menstruation. Fertility can return as early as three weeks after birth.
[2] How Breastfeeding Affects Your Menstrual Cycle: What to Expect

Breastfeeding delays the return of periods because prolactin suppresses the hormones that trigger ovulation, and without ovulation menstruation does not occur.
[3] How Breastfeeding Affects Your Menstrual Cycle: What to Expect

Changes in breastfeeding patterns such as the baby sleeping through the night, the introduction of solid foods, or less frequent feeds can trigger the return of menstruation by lowering prolactin levels and allowing ovulation to resume.
[4] How Breastfeeding Affects Your Menstrual Cycle: What to Expect

Periods after childbirth may be heavier and more painful than before, which may be partly due to the uterus having more lining to shed. Some people experience lighter and less painful periods after giving birth.
[5] How Breastfeeding Affects Your Menstrual Cycle: What to Expect

The first few cycles after birth are often irregular in timing and flow, and it can take several months for the cycle to settle into a predictable pattern, particularly if you are breastfeeding.
[6] When will my periods start again after pregnancy?

The return of your period after birth does not follow a fixed schedule and is highly individual.
[7] What to Expect from Your First Period After Birth

Lochia is the shedding of blood and tissue from the uterus after birth, lasts for up to six weeks, and gradually lightens in colour and flow. A period will only return after lochia has stopped.
[8] When will my periods start again after pregnancy?

If you are formula-feeding, or using a combination of formula and breast milk, your period typically returns around five to six weeks after giving birth.
[9] When will my periods start again after pregnancy?

If you are exclusively breastfeeding, your period may not return for many months, and sometimes not until breastfeeding stops or its frequency is reduced.