
Welcome to week 13 of pregnancy and the second trimester. For many pregnant women, this is the time when they can truly start to enjoy pregnancy. Your baby is becoming more and more active, and your body is also busy preparing for the months ahead. Now is a good time to recharge your batteries and look forward to the changes with excitement.
Your bump will get bigger week by week. People around you will probably soon notice that you are pregnant. Your pregnancy symptoms will likely begin to ease in week 13 and you’ll feel more energetic.

Week 13 of pregnancy at a glance
Your baby:
Your baby is at 13 weeks of pregnancy approximately a size of 6–7 cm and weighs around 20 grams.
The Facial features are becoming ever more delicate., and the forehead continues to take shape.
The hands and feet are fully developed, and The baby can grasp, albeit uncontrollably..
The circulatory system is active, and the placenta completely takes over the supply.
Your body:
Many pregnant women feel from the 13th week of pregnancy onwards, more energetic, as the hormonal fluctuations subside.
The uterus continues to grow and begins to make the belly visible.
As a mother, your appetite may increase. – You now need more nutrients for yourself and your child.
The Skin may appear rosier due to increased blood circulation..
Interesting facts about foetus and mum:
The baby's organs are fully developed. and start working more effectively.
The head is still relatively large in the 13th week of pregnancy., but the proportions are slowly evening out.
Ensure a balanced diet with vitamin C and iron, to support your blood circulation and to help the baby build its body structures.
Continue to avoid certain foods such as raw milk products and pre-packaged salads., in order to minimise the risk of infection.
Baby’s development in the 13th week of pregnancy:
Your little bundle of joy is in the 13th week of pregnancy. weighs about 20 grams and is 6 to 7 cm tall. It is gradually taking shape increasingly human traits ...and the face is slowly becoming recognisable. You can’t see it clearly yet, but perhaps the baby resembles you a little.
But there is much more happening in the development of your little one in week 13 of pregnancy. Their The pancreas now produces insulin.. The development of the intestines (and other organs) is also continuing to progress. The amniotic fluid that the baby swallows can now, for the first time, be excreted in the form of stool.
Between the 12th and 14th week of pregnancy, your baby's organ of balance in the inner ear also begins to respond to movement. Your movements while walking or dancing ensure that sensory signals from the inner ear activate the areas in the brain responsible for well-being and calmness.
Your body in week 13 of pregnancy:
Your belly is now growing visibly faster week by week. Your sense of smell and taste may also have changed. Have your pregnancy symptoms already subsided? Some expectant mums find the second trimester to be the most comfortable.
Many mums wait until the 12th week of their pregnancy is over before telling friends, family, and also their employer that they are expecting a baby. By the way, you are not obliged to inform your employer about your pregnancy at work. You are only required to announce your parental leave two months before it begins.However, it does make sense to inform your employer as early as possible about your pregnancy. Because then the Maternity Protection Act applies. Maternity protection brings you and your little one several advantages, such as protection against dismissal, protection periods before and after the expected due date, special provisions like breaks at the workplace, and the right to visit the doctor during working hours.
Tips for the 13th week of pregnancy
💡Not feeling like wearing maternity clothes yet? Then get creative. For example, bridge the gap between the button and buttonhole of your trousers with an elastic band.
Sport and exercise:
The 13th week of pregnancy is a good time to start moderate exercise such as swimming, yoga or walking. These activities strengthen the muscles and promote your blood circulation, which can relieve complaints such as back pain or pressure on the stomach. In addition, gentle exercises help to improve your posture and prepare you for the later months of pregnancy. Remember to always listen to your body and take breaks to avoid taking any risks.
Time for you and your family:
Aeroplane a small picnic, a walk with friends or cosy hours with your partner. Such moments strengthen your bond and let you share in the joy of the new family member to come. You can also start making the first small plans for the baby's initial equipment in the 13th week of pregnancy – it's fun and builds anticipation.
Preventive examination and consultations with the gynaecologist:
The next appointment with the doctor gives you the opportunity to see your baby's progress. Your child's size, weight, and circulation will be checked. Use the appointment to ask any questions that are on your mind, whether they concern protective measures, nutrition, or possible complaints. Your gynaecologist can also give you recommendations for healthy weight gain and support you with specific questions.
Consciously shaping your diet:
Your appetite may increase in the 13th week of pregnancy, as you need more energy and nutrients. Make sure to include foods rich in vitamins and iron in your diet. Fruit, vegetables, wholegrain products and lean proteins such as eggs are ideal for meeting your nutritional needs. Avoid raw milk products, pre-packaged salads, and raw meat or fish to prevent infections.
Self-care:
Treat yourself to regular short breaks to relax and recharge your batteries. A warm bath (not too hot) or a massage can relieve tension. Taking time for a hobby or reading a book can also help you to relax and keep a clear head during this exciting time of your pregnancy. Self-care becomes especially important from week 13 of pregnancy onwards – after all, a little miracle is growing inside you and you are accomplishing something amazing.

Frequently asked questions about week 13 of pregnancy
What is happening with my baby in the 13th week of pregnancy?
The baby continues to develop rapidly in week 13 of pregnancy. It is diligently practising swallowing amniotic fluid., floating in the amniotic sac. The nervous system is becoming increasingly interconnected., and it shows first skills such as bending the legs. . The liver and the pancreas begin their work, ... and the pancreas begins to produce insulin. During regular doctor's appointments, you can admire the progress on the ultrasound images.
Is it normal for nausea to decrease in the second trimester?
Yes, that is typical for this stage of pregnancy. Symptoms such as nausea and fatigue usually subside, and many pregnant women start to feel more energetic again. Enjoy this period of relaxation and prepare yourself for the most wonderful phase of pregnancy. If smells are still bothering you, a combination of fresh air and snacks can help.
Can I still wear tight clothing?
Your favourite pair of trousers might soon become too tight. It is advisable to switch to maternity wear that offers more room for your growing belly. Maternity wear is not only comfortable, but also adapts to your figure during pregnancy without anything feeling tight.
What does the ultrasound show in the 13th week?
On the ultrasound image, you can see how the baby grows and moves at this stage of pregnancy. Blood vessels and vocal cords are forming as the baby drinks more and more amniotic fluid. The organs such as the liver and intestines continue to develop, and You can make out the first details of the small profile.. Talk to your doctor or midwife about the next check-up.
Why do I have to go to the toilet more often?
The growing uterus is pressing on your bladder. You are also producing more fluid., which is excreted by the urine. Continue to drink enough water during this week of pregnancy, so that your circulation functions well and the baby is optimally supplied.
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