Months 1 – 12
First Month After Birth, The Fourth Trimester
Welcome to what doctors sometimes call the fourth trimester. Your pregnancy is over, but your body still has real healing to do, and so does your sense of what a normal day even looks like. Go easy on yourself this month.
Physical changes you might notice
Right after delivery, sweating, chills, and cramping as your uterus starts shrinking back down are all common, along with fluid retention and a level of exhaustion that can catch you off guard. In the first week, expect general soreness and sore or cracked nipples if you're breastfeeding. Through the rest of the month, you might deal with discomfort sitting or walking if you had an episiotomy or a C-section, constipation, hemorrhoids, hot flashes, and breast tenderness or engorgement, especially in the first few days as your milk comes in. Vaginal bleeding and discharge, called lochia, is also normal, it starts heavy and red, then gradually lightens to pink, then to a yellowish white, tapering off over about six weeks.
Emotional changes you might notice
Elation and low moods can hit in the same afternoon, sometimes in the same hour, and that swing is genuinely common. Feeling inadequate, overwhelmed by everything new, or oddly let down after all the buildup are all things other new mothers have felt too. This is usually the baby blues, and it tends to fade within a couple of weeks. If low mood, anxiety, or trouble bonding with your baby stick around longer than that or feel like more than you can manage, tell your doctor, postpartum depression is common and treatable, and reaching out early makes a real difference.
Appetite changes
You may feel ravenous, especially if you're breastfeeding. Nursing typically burns through roughly 330 to 400 extra calories a day beyond what you needed before pregnancy, so this isn't the month to cut back on food to chase quick weight loss.
The inside story
Your uterus is doing a lot of quiet work right now, shrinking from its pregnancy size back down to roughly its original one over about six weeks, faster if you're breastfeeding since nursing triggers contractions that speed the process along. Your abdominal muscles, which stretched to make room for your baby, are gradually pulling back together too, and your other internal organs are slowly settling back into their usual positions.
Sleep and energy
Fatigue and exhaustion are close to universal this month as you try to match rest with a newborn's unpredictable schedule. Grab naps whenever your baby sleeps rather than saving chores for those windows, and try to actually rest during nursing sessions instead of scrolling your phone the whole time.
Easing the stress
A new mothers' exercise or stretching class can help both your body and your mood, and most healthy vaginal deliveries allow gentle movement like walking within a few days if you feel up to it. C-sections and complicated deliveries need the green light from your doctor first. Spend time with your baby to help settle any anxiety, and don't hesitate to ask for help with meals, chores, or just a few hours of sleep, accepting help isn't a failure, it's how most new parents actually get through this stretch.
Special risks worth knowing about
Infection at a C-section incision, episiotomy site, or in the breasts if you're breastfeeding is something to watch for. Not eating enough while breastfeeding can leave you short on the nutrients and calories your body needs, and dehydration is easy to overlook when you're focused on a newborn instead of yourself. Your first postpartum checkup should happen within three weeks of delivery, sooner if you had high blood pressure during pregnancy, with a more complete visit around 12 weeks to cover recovery, mood, and birth control in more depth than one appointment usually allows.
Call your doctor right away for heavy bleeding that soaks a pad in an hour, large clots, fever or chills, chest pain, trouble breathing, a severe headache with vision changes, swelling or pain in one calf or thigh, a lump or localized pain in the breast, painful or difficult urination, or thoughts of harming yourself or your baby.
Breastfeeding and want an easy way to track feedings and diapers those first few weeks? Ask about the printable breastfeeding and diaper log available on this site, it's a simple one page sheet made for exactly this stretch. For more on what's normal and what's not with postpartum bleeding, Cleveland Clinic breaks down lochia stage by stage. When you're ready, Month 12 continues your recovery.
Sources:
- Cleveland Clinic: Braxton Hicks Contractions
- Cleveland Clinic: Signs Labor Is Starting
- Mayo Clinic: Fetal Development, Third Trimester
- March of Dimes: Why at Least 39 Weeks Is Best
- Healthline: The 5-1-1 Rule for Labor
- Cleveland Clinic: Lochia
- Cleveland Clinic: Postpartum Recovery Timeline
- CDC HEAR HER: Urgent Maternal Warning Signs
- ACOG: What to Expect at a Postpartum Checkup
- UPMC: How Much Energy Does Breastfeeding Take
- CDC: Postpartum Depressive Symptoms Vital Signs
- Cleveland Clinic: Postpartum Hair Loss
- Mayo Clinic: Exercise After Pregnancy