After birth refers to everything that happens once your baby is delivered: the placenta coming out, your body beginning to heal, hormonal shifts, and the first critical hours of bonding with your newborn. The term “afterbirth” also specifically refers to the placenta and membranes expelled after delivery, but most people searching this phrase want to understand the full picture of what comes next. Here’s what actually happens in your body and with your baby in the minutes, days, and weeks following delivery.
The Placenta and the Third Stage of Labor
Labor isn’t over when your baby arrives. The third stage, delivering the placenta, begins immediately after. Your uterus continues to contract, separating the placenta from the uterine wall so it can be pushed out. This stage is shorter than most people expect. The average duration is about six minutes, and the vast majority of women deliver the placenta within 10 to 15 minutes. Nearly all births involve a hormone given through an IV or injection to help the uterus contract and reduce bleeding during this phase.
Blood loss during a vaginal delivery is considered abnormal if it exceeds 500 milliliters, roughly two cups. The formal threshold for postpartum hemorrhage was updated in 2017 to 1,000 milliliters with signs of significant blood loss, regardless of whether delivery was vaginal or surgical. Medical teams monitor bleeding closely in the first hour after birth, because this is when most serious hemorrhage occurs.
The First Hour: Skin-to-Skin Contact
The first 60 minutes after birth are often called the “golden hour.” Placing your baby directly on your bare chest during this time triggers a cascade of benefits for both of you. For you, skin-to-skin contact stimulates a surge of oxytocin that strengthens uterine contractions, helps the placenta detach more completely, and reduces bleeding. It also lowers stress levels and boosts confidence in breastfeeding.
For your baby, the benefits are just as immediate. Skin-to-skin contact stabilizes their body temperature (your breast skin actually warms up to help regulate theirs), improves blood sugar levels, and reduces the stress of transitioning from womb to world. Babies held skin-to-skin cry less and are more likely to latch and breastfeed successfully. Newborns are especially sensitive to the smell of colostrum in the first hours of life, which helps guide them toward the breast.
During this first hour, your baby is also assessed twice using a standardized scoring system that checks five things: breathing effort, heart rate, muscle tone, reflex response to stimulation, and skin color. These checks happen at one minute and five minutes after birth to quickly flag whether a newborn needs any help with the transition.
Your Hormones Drop Fast
One of the most dramatic changes after birth is hormonal. During pregnancy, estrogen and progesterone climb to extremely high levels, sustained by the placenta. Once the placenta is delivered, those levels plummet. Estrogen drops by roughly 87% within the first day after birth and continues falling. Progesterone follows a similar pattern, dropping by about 90% within the first postpartum day and reaching a fraction of pregnancy levels by day three.
This sharp hormonal withdrawal is the primary driver behind the “baby blues,” which affect the majority of new mothers. Symptoms like mood swings, tearfulness, irritability, and anxiety typically appear within two to three days of delivery and resolve within two weeks. If those feelings persist beyond two weeks, or if five or more symptoms of depression are present for at least two weeks, that crosses into postpartum depression, which is a different and more serious condition that benefits from professional support.
Postpartum Bleeding (Lochia)
Vaginal bleeding after birth is normal and happens whether you delivered vaginally or by cesarean. This discharge, called lochia, is your uterus shedding the extra tissue and blood it built up during pregnancy. It moves through three distinct stages:
- Days 1 through 3 or 4: Bright or dark red blood, similar to a heavy period. This is the heaviest phase.
- Days 4 through 12: Pinkish-brown discharge that looks less like active bleeding.
- Day 12 through week 6: Yellowish-white discharge that gradually tapers off.
Total duration varies, but most women experience some degree of lochia for four to six weeks. Soaking through a pad in an hour or passing clots larger than a golf ball is a sign of excessive bleeding that needs immediate attention.
How Your Uterus Shrinks Back
Right after delivery, your uterus weighs about two pounds. It begins contracting immediately, and you’ll feel these contractions, sometimes called “afterpains,” especially while breastfeeding. Nursing triggers oxytocin release, which intensifies the cramping but also speeds the process along. These afterpains tend to be stronger with second or subsequent pregnancies.
The shrinking happens on a predictable timeline. Within one week, the uterus drops to about half its postdelivery weight. By four weeks, it’s down to roughly 100 grams. By eight weeks, it’s back to its prepregnancy size of about two ounces. You can actually track this externally in the first week: the top of your uterus sits near your belly button right after birth, drops about one centimeter per day, and reaches your pubic bone by around one week. By two weeks, it’s tucked back into the pelvic cavity and no longer felt through your abdomen.
Perineal Healing
If you tore during a vaginal delivery or had an episiotomy, healing takes about four to six weeks. Stitches are dissolvable and typically break down within one to two weeks on their own. The first week tends to be the most uncomfortable, with pain affecting sitting, walking, urinating, and bowel movements. Ice packs, sitz baths, and keeping the area clean are the standard approach to managing discomfort during this period.
Colostrum and Early Milk Production
Your breasts don’t immediately produce large volumes of milk, and this catches many new parents off guard. In the first three hours after birth, about 60% of mothers can express some milk, but the median volume is just 0.4 milliliters, barely a few drops. By three to six hours, the median rises to about 1 milliliter. Volumes actually dip slightly after that initial window and stay low until around 30 hours postpartum, when production ramps up more dramatically. First-time mothers tend to experience this ramp-up later than those who’ve given birth before.
These tiny volumes are normal and by design. A newborn’s stomach is roughly the size of a marble on day one. Colostrum is concentrated and rich in immune factors, so small amounts go a long way. Knowing that volume will be low for the first day or so can ease the anxiety many mothers feel when they see how little they’re producing at first.
Postpartum Checkups
The American College of Obstetricians and Gynecologists recommends that all new mothers have contact with their care provider within the first three weeks after birth, not just at the traditional six-week visit. This early check-in can address bleeding, mood, pain, breastfeeding challenges, and wound healing. A comprehensive postpartum visit should happen no later than 12 weeks after delivery, covering everything from physical recovery to contraception planning to mental health screening.