from 13 full weeks + 0 days to 13 full weeks + 6 days
Size of a lemon
- The fetus is about 8-9 cm and weighs around 43 grams.
- Hands and feet are fully developed with nails.
- Lanugo hair — a fine, soft hair — begins to cover the body.
- The fetus can make facial expressions such as frowning and grimacing.
- The thyroid gland begins producing hormones.
Physical changes
- The second trimester has begun! Many experience it as the best period of pregnancy.
- Blood volume has increased by almost 50 percent, giving you rosy cheeks.
- Your belly is now clearly visible for most people.
Common symptoms
- More energy and a better mood.
- Increased blood circulation can cause a stuffy nose and bleeding gums.
- Round ligament pain — short, sharp pains in the groin during sudden movements.
Emotional changes
- Many feel relieved and more excited now that the second trimester begins and the risk of miscarriage has decreased significantly.
- Invest in comfortable maternity clothes — your regular wardrobe may no longer fit.
- Start using oil or cream on your belly to help prevent stretch marks.
- Schedule time for relaxation and self-care.
- Take the opportunity to travel now if you are planning a babymoon — the second trimester is often the best time.
Appointments & check-ups
- The routine ultrasound is booked for weeks 18-20 if it hasn't been done already.
Vaccinations
- The flu vaccine is recommended for pregnant women after week 12. Talk to your midwife about vaccination.
Focus on calcium and vitamin D now. The fetus's skeleton is growing rapidly and needs building materials.
Good to eat
- Calcium-rich foods such as milk, yogurt, cheese and broccoli — important for the fetus's skeleton.
- Foods rich in vitamin D such as fatty fish and fortified dairy products.
- Iodized salt when cooking — iodine is important for the fetus's brain development.
Be aware of
- Make sure you get enough calcium — 900 mg per day is recommended during pregnancy.
- Iodine is found in fish, dairy products and iodized salt.
Avoid
- Alcohol.
- Large amounts of caffeine.
Supplements
- Vitamin D 10 micrograms daily throughout pregnancy.
- Iron supplements as needed — your midwife monitors your iron levels regularly.
Welcome to the second trimester! With increased energy, it is a perfect time to try new pregnancy-adapted forms of exercise.
Prenatal yoga is an excellent choice now. It combines strength, breathing and relaxation — perfect preparation for delivery.
Suggested activities
- Prenatal yoga — great for breathing, strength and relaxation before delivery
- Swimming and water aerobics
- Walking and Nordic walking
Avoid
- Exercises that involve lying flat on your back for extended periods
- Contact sports and activities with a high risk of falling
Pelvic floor exercises
Pelvic floor training is more important than ever. Practice both quick and slow Kegels daily.
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.