Week 18 of 40
Size of A banana
- The baby is now about 14 cm long and moving actively
- Hearing is developing and the baby may start reacting to sounds
- Fingerprints are now fully developed and completely unique
- The baby yawns, stretches, and has periods of wakefulness and sleep
Physical changes
- You may start feeling the baby's movements, like gentle bubbling or fluttering sensations
- The belly is clearly visible now
- Pigmentation changes like linea nigra may appear on the belly
Common symptoms
- Dizziness with sudden movements due to lower blood pressure
- Heartburn may begin as the uterus pushes upward
- Mild swelling in the hands and feet
- The routine ultrasound is usually done between weeks 18 and 20
- Prepare for the ultrasound – you can find out the sex if you want
- Start using the plate model as a guide for your meals
Appointments & check-ups
- The routine ultrasound is typically offered at weeks 18–20 to check the baby's development and the position of the placenta
The plate model is a simple guide for getting the right balance in your meals. Fill half the plate with vegetables, one quarter with protein, and one quarter with carbohydrates.
Good to eat
- Use the plate model: half the plate vegetables, one quarter protein, one quarter carbohydrates
- Salmon and herring for omega-3 and DHA
- Nuts and seeds as snacks
- Oatmeal porridge with berries for fiber and antioxidants
Be aware of
- Eat varied and colorful foods to get all the important nutrients
- Drink water regularly throughout the day
Avoid
- Alcohol
- Raw fish and meat
- Smoked and cured fish of uncertain origin
Supplements
- Folic acid 400 micrograms daily
- Vitamin D 10 micrograms daily
- Omega-3 DHA supplement if you don't eat enough fish
Continue with regular exercise but start adapting to your belly size. Avoid exercises that cause discomfort.
As your belly grows, you may need to modify certain exercises. Ask your trainer or midwife for adaptations.
Suggested activities
- Prenatal yoga focusing on breathing and relaxation
- Walking
- Swimming
- Light strength training
Avoid
- Jumping and bouncing
- Exercises with risk of falling
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.