
5 tips for losing weight after pregnancy while breastfeeding
After the baby arrives, getting back into shape is a concern shared by many mothers. However, postpartum weight loss and breastfeeding require a specific approach so as not to impact lactation or your energy levels.
Contrary to popular belief, breastfeeding naturally burns calories (between 500 and 700 per day!), but it also requires careful planning to nourish your body without exhausting yourself.
At 23 Mai Paris, we support mothers through every stage of motherhood. In this article, we share five practical tips for losing weight after pregnancy while breastfeeding with peace of mind.

1. Choose foods that are high in nutrients rather than calories.
To lose weight after pregnancy while producing high-quality milk, forget about restrictive diets. They may reduce your milk production and make you even more exhausted.
Instead, choose foods that are high in nutritional density:
- Green vegetables: spinach, broccoli, zucchini, green beans
- Lean proteins: chicken, turkey, fish, eggs, legumes
- Whole grains: quinoa, brown rice, oats, whole wheat bread
- Good fats (omega-3): salmon, sardines, nuts, rapeseed oil
The goal is to stabilize your blood sugar levels to avoid the cravings that are typical of fragmented nights. A breastfeeding mother needs about 500 extra calories per day, but the choice of these calories makes all the difference on the scale.
To learn more about nutrition during breastfeeding, check out our article. Nutrition and breastfeeding: 5 tips to stay in shape.
Key takeaway: Eat better, not less. Your body needs high-quality fuel to produce milk and give you the energy you need to manage your daily life as a mom.

2. Hydration, the invisible pillar of weight loss
Water is the driving force behind lactation and toxin elimination. Drinking enough water not only helps maintain stable milk production, but also prevents postnatal water retention, which can skew the balance.
Our tips for staying hydrated:
- Always keep a water bottle handy.
- Drink a large glass of water every time you breastfeed your baby.
- Aim for 2 to 2.5 liters per day (water, herbal teas, soups).
- Avoid sugary drinks that provide empty calories.
Tip: If you get tired of drinking water, try herbal teas (verbena, fennel, chamomile) or add a few slices of lemon or cucumber to your water.
See our article Breastfeeding: 20 tips for a serene adventure for more practical advice.

3. Moving gently with your baby
There's no need to run a marathon two months after giving birth! Your body needs time to recover, and your pelvic floor muscles need to be re-trained before you resume intense activity.
The ideal activities to start with:
- Active walking with a stroller: accessible, free, and effective
- Babywearing: with your baby close to you, you walk and burn calories together.
- Postnatal yoga: gently strengthens and relaxes the mind
- Swimming (after perineal rehabilitation): easy on the joints
A gradual return to physical activity, approved by your midwife or physical therapist, helps strengthen your abdominal muscles while releasing endorphins that are essential for your mood.
Important: Wait for the green light from your healthcare professional and the end of your perineal rehabilitation before resuming intensive exercise.
Feeling good in your clothes is crucial for self-esteem during this transition phase. Your body is changing, and that's normal. Rather than waiting to "get your old body back," dress for the body you have today.
Wear appropriate clothing, such as a Breastfeeding dress elegant or a Breastfeeding sweatshirt, allows you to feel beautiful while remaining practical for feeding your child.
Our postpartum clothing tips:
- Opt for adjustable cuts that follow the evolution of your figure.
- Choose stretchy, natural fabrics (cotton, bamboo) for comfort.
- Choose discreet opening systems so you can breastfeed anywhere without stress.
- Choose colors that flatter you rather than black "to hide"
At 23 Mai Paris, we believe that style helps you cope better with postpartum body changes. Our nursing clothes are designed to accompany you elegantly through this transition.

5. Listen to your body and manage stress
Cortisol, the stress hormone, is the number one enemy of weight loss. It promotes fat storage, particularly around the belly. And with a newborn, stress and lack of sleep are part of everyday life.
Our tips for limiting the impact of stress:
- Synchronize your naps with your baby's whenever possible.
- Delegate what you can: cleaning, shopping, cooking...
- Take micro-breaks : 10 minutes of reading, a cup of herbal tea in a quiet place, a relaxing shower
- Don't compare yourself to other moms or filtered Instagram photos
- Be patient : your body took nine months to transform, so give it at least that long to regain its balance
Kind reminder: Your body created life. It deserves kindness, time, and respect to transform itself again. Weight loss will come, but your mental well-being is just as important.
And if you're having trouble sleeping, check out our article Maternity visits: 6 tips for stress-free organization to better manage the first few days.

Bonus: What to avoid when trying to lose weight while breastfeeding
To complement these 5 tips, here's what you should avoid:
- ❌ Restrictive diets of less than 1,800 calories per day
- ❌ Unapproved "slimming" dietary supplements during breastfeeding
- ❌ Skipping meals (you'll be even hungrier afterward)
- ❌ Weighing yourself every day (weight fluctuates naturally)
- ❌ Setting unrealistic goals ("lose 10 pounds in 1 month")
Conclusion
Losing weight after pregnancy while breastfeeding is a delicate balance, but it is entirely possible. By adopting a nutrient-dense diet, staying well hydrated, exercising gently, wearing clothes that flatter you, and listening to your body, you are putting all the odds in your favor.
At 23 Mai Paris, we support mothers through this transition with nursing clothes comfortable, stylish, and designed for your well-being. Because you deserve to feel beautiful at every stage of your motherhood.
To put together your postpartum wardrobe, check out our article. How many nursing clothes do you really need?
If you are breastfeeding, here are some of our nursing clothes that may interest you:
T-shirts d'allaitement
T-shirts d'allaitement imprimés
T-shirts d'allaitement personnalisés
T-shirts d’allaitement basiques
Hauts d’allaitement personnalisables
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If you are only a pregnant mom, here are our maternity clothes:
Black maternity jeans
Gray maternity jeans
Colored maternity jeans
Blue maternity jeans
Cheap maternity jeans
Comfortable maternity jeans
Maternity jeans
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