Does pumping make it hard to lose weight?

Author: Roxanne Turner  |  Last update: Friday, November 7, 2025

Whether pumping your milk to feed your little one with a bottle or breastfeeding your newborn directly, your body is still producing milk. This process burns calories and can play a role in postpartum weight loss. So no matter which method you choose, you may notice some benefits.

Is there a downside to pumping?

Hormonal Changes: - Pumping can affect hormonal levels, potentially leading to changes in milk supply if not done correctly. Increased Time Commitment: - Pumping can be time-consuming, which may lead to stress or feelings of being overwhelmed. Potential for Infection:

Do you gain weight after you stop pumping?

Thanks to biological and behavioral changes, it's totally normal to gain weight when you stop breastfeeding. "It's really common that women will stop breastfeeding and their weight goes up," G. Thomas Ruiz, M.D., an ob/gyn at MemorialCare Orange Coast Medical Center in Fountain Valley, California, tells SELF.

How long does it take to lose weight from pumping?

A slow and steady weight loss of one pound (about half a kilogram) per week or four pounds (about 2 kilograms) per month is generally considered safe and sustainable (Academy of Nutrition and Dietetics, 2022).

Why am I not losing weight while pumping?

Eating more calories than recommended, not getting enough exercise, and retaining water weight are some reasons it could be harder to lose weight while breastfeeding. Hormone levels also play a part, especially if your monthly cycle hasn't yet returned.

LOSING WEIGHT Postpartum (This Needs To Be Said)

How long does it take to see results from pumping?

If you decide to try power pumping, you'll want to commit to doing so for 5 - 7 days in a row. You should begin to see an increase in your supply after 3 days.

What are the side effects of stopping pumping?

Some might experience headaches or migraines, while others feel exhausted or even dizzy immediately after weaning. Another common post-weaning issue? Acne. Big hormone changes can really throw your body for a loop.

Do breasts get saggy after pumping?

If you're concerned that breastfeeding is the culprit for causing saggy boobs, you can take a breath out because research shows that breastfeeding does not cause your breasts to sag (happy dance!)

Why do I weigh more after a pump?

“Basically, your body retains fluid around the micro tear to try to heal it,” explains Dr. Calabrese. Water has weight, of course, which is why this healing mechanism can add pounds after a challenging workout.

Is it OK to just pump and not breastfeed?

“I consider mothers who can't breastfeed but can provide breast milk by continuing to pump for many months to be heroic.” Catherine Fenner, IBCLC, a longtime Seattle lactation consultant agrees with Wall. Pumping exclusively to feed a baby is “a gift for the baby who is getting their parent's milk.”

What are the disadvantages of breast pumping?

Side Effects of Using Breast Pumps
  • Reduced milk supply. The decreased milk supply is one of the most significant disadvantages of pumping breast milk. ...
  • Damaged breast and nipple tissues. ...
  • Painful Engorgement. ...
  • Expensive setup. ...
  • Depleted nutrients in breast milk. ...
  • Confused babies. ...
  • Danger of contamination. ...
  • Teeth decays.

Why shouldn't you pump longer than 30 minutes?

This time-span norm is in part due to the notion that more prolonged pumping will damage breast tissue, the fact that some pumps have built-in timers that stop the pump at 30 minutes, and because babies tend to eat for about 30 minutes between both breasts.

How can I lose weight fast while pumping?

To help you in losing weight while breastfeeding, try to work yourself up to 150 minutes of moderate aerobic activity per week, which is about 20 to 30 minutes a day of walking. You can also resume things like yoga or tai chi, especially if you were practicing before baby.

Is pumping 7 times a day enough?

Ideally, you should aim to pump every 2-3 hours, including during the night. Yes, it sounds demanding, but remember, newborns eat very frequently! Mimicking your baby's feeding schedule can help ensure a good milk supply. If you're exclusively pumping, aim for at least 8-10 pumping sessions per day.

Why am I gaining weight while breastfeeding?

Research from 2020 shows that breastfeeding may increase appetite, which may lead to increased weight gain if people take in more calories than necessary. Higher levels of prolactin, the hormone involved in milk production, may have links to increased appetite and food intake.

Will nipples go back to normal after pumping?

Breastfeeding can cause the nipples to stretch and become more elongated. Sometimes the nipples will go back to normal after pregnancy, but not always. Some women may experience permanent changes to their nipples after pregnancy, such as an increase in nipple size or a change in nipple color.

Does pumping after milk stops increase supply?

Pump for two minutes after your milk stops flowing to build a good milk supply. Hand express some drops of breast milk before and after pumping to start the flow of milk and fully drain the breast when pumping.

What happens if you go days without pumping?

Waiting too long to nurse or pump can slowly reduce your milk supply. The more you delay nursing or pumping, the less milk your body will make. That's because overfilled (engorged) breasts send a signal to your brain that you need to make less milk.

What happens to your hormones when you stop pumping?

“With prolactin and oxytocin levels lowering, progesterone and estrogen levels will begin to rise, which in turn sparks ovulation and our menstrual cycle to start up once again,” says Cortner.

What is the average age to stop breastfeeding around the world?

The World Health Organization (WHO) and UNICEF recommend that all children, in both developed and undeveloped countries, be breastfed a minimum of two years, or beyond, and acknowledge that the average age of weaning worldwide is about four years old.

How quickly do breasts refill after pumping?

How Long After Pumping Do Breasts Refill? Most mothers can see that milk production is building back up within 20–30 minutes of a pumping session. A fuller refill will take longer, usually about an hour or two, depending on how hydrated you are, your diet, and how frequently you pump or nurse.

What if my baby wants to nurse right after I pump?

Pump between breastfeeding, either 30-60 minutes after nursing or at least one hour before breastfeeding. This should leave plenty of milk for your baby at your next feeding. If your baby wants to breastfeed right after breast pumping, let them!

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