Week 17of 40
Trimester 2
Week 17 of 40
The fetus
13 cm140 grams
Size of A papaya
- The baby is starting to accumulate fat under the skin to help regulate body temperature
- Unique fingerprints are forming
- The umbilical cord is getting thicker and stronger
- The baby is practicing swallowing amniotic fluid
Your body
Physical changes
- Weight gain becomes more noticeable now, typically 2–4 kg so far
- The uterus is growing and you can feel it just below the navel
- The skin may become drier or more sensitive
Common symptoms
- Increased appetite is common in the second trimester
- Swollen feet and ankles, especially toward the end of the day
- Dreams may become more vivid and intense
Good to know
- Follow weight gain guidelines based on your pre-pregnancy BMI
- Keep track of your weight curve at your midwife appointments
- Try to sleep on your side, preferably the left side, for better blood circulation
Food & nutrition
The omega-3 fatty acid DHA is important for the baby's brain and eye development. Try to eat fatty fish 2–3 times a week or take a supplement.
Good to eat
- Omega-3-rich foods such as salmon, sardines, and walnuts
- Eggs for protein, choline, and vitamin D
- Legumes for fiber and iron
- Citrus fruits and bell peppers for vitamin C, which aids iron absorption
Be aware of
- Weight gain should be gradual – eat nutritiously rather than eating for two
- Avoid skipping meals; instead eat smaller portions more frequently
Avoid
- Alcohol
- Raw shellfish
- Large amounts of licorice
Supplements
- Folic acid 400 micrograms daily
- Vitamin D 10 micrograms daily
- Consider an omega-3 supplement (DHA) if you don't eat fish regularly
Exercise
Adapt your exercise to your growing belly. Listen to your body and avoid exercises that feel uncomfortable.
Suggested activities
- Brisk walking
- Prenatal yoga
- Swimming and water aerobics
- Strength training focusing on posture and back strength
Avoid
- Exercises lying flat on your back for extended periods
- Intense interval training
Sources
The content on this website is based on information from 1177.se and the Swedish Food Agency. It does not replace professional medical advice. Always contact your midwife or doctor with questions about your pregnancy.