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13 weeks of pregnancy has arrived! There are many new things to wonder about in the 13th week of pregnancy. How many months is 13 weeks pregnant? If you’re wondering, let’s say, you are now 3 months pregnant.
Let’s find out everything about the 13th week of pregnancy!
Remember, pregnancy is divided into 3 trimesters of approximately 13 weeks each. With this week, you will leave behind the most difficult first period of your pregnancy, namely the first trimester. From now on, pregnancy will be more comfortable for you in many ways!
How Does 13 Weeks Baby Development Happen?
You are now in your 4th month of pregnancy. Your baby has also grown to the size of a peach. “How tall is a 13-week-old baby?”, “What is a 13-week-old baby’s weight?” You can refer to the table below to find answers to your questions.
13 weeks baby development | |
---|---|
13 weeks baby size | 6.5-7.8cm |
13 weeks baby weight | 13-20 g |
Fetal growth will accelerate from this week until the 24th week. An interesting change is that the growth of the head area slows down compared to the rest of the baby’s body! Let’s see how the 13-week-old baby is in the womb.
- The intestines, which have been developing in the umbilical cord until now, take action to take their permanent place in the baby’s womb.
- Your baby’s vocal cords are developing this week.
- His face is now more human-like. The eyes, which started to form on the side of the head, are now closer to each other. The ears also take their normal position on the side of the head.
- Will the gender be determined at 13 weeks? We know you’re wondering. 13 weeks of pregnancy may be suitable for gender determination. If he is not very shy, that is, he is standing in a suitable position, his external reproductive organs are developed enough to distinguish between sexes when examined.
13 Week Baby Images

13 Weeks Baby Ultrasound Image

The 13-week pregnancy ultrasound image might look like this. If yours is not like this, don’t worry, your baby’s position may be different.
What Are the Changes in the Mother at 13 Weeks of Pregnancy?
- In the 13th week of pregnancy, your uterus will grow a little more. At 12 and 13 weeks, the uterus fills the pelvis and the abdomen begins to grow forward. So at 13 weeks pregnant belly is like a soft, smooth ball.
- You must have gained some weight by now. If morning sickness is still a problem and you have trouble eating, you may not have gained much weight.
- In the 13th week of pregnancy, your waist size is changing and your clothes are starting to feel tight. Your need to wear looser, comfortable clothes is increasing.
In addition to these, as 13 weeks of pregnancy symptoms ;
- cracks,
- their swelling,
- gas complaints,
- You may also be experiencing conditions such as changes in the breasts.
13 Weeks Pregnancy Image

13 Weeks Pregnancy Complaints: Stretch Marks, Swelling and Changes in Breasts!
Stretch Marks and Stretch Marks During Pregnancy
Stretch marks occur frequently and at various levels during pregnancy.
- in your belly,
- in the breasts,
- on the hips,
- It occurs in the calves. To avoid this, gaining weight consistently is a sensible way. Because sudden and excessive increases in weight cause stretch marks to appear more prominent.
If you use steroid creams such as hydrocortisone or topicort during pregnancy to treat these scars, these creams can reach the baby from the tummy. You should definitely talk to your doctor before using this type of cream.
You need to intervene early to prevent stretch marks and stretch marks during pregnancy. From the 13th week of pregnancy, you can prevent stretch marks in pregnancy by following the suggestions below:
- Drink lots of water.
- Eat healthy foods high in antioxidants.
- Maintain skin elasticity by getting enough protein and a small amount of oil.
- Stay away from the sun.
- Exercise.
- Gain weight slowly and steadily.
- Use creams that improve the elastic fiber quality of the skin with the advice of a doctor.
Bloating and Gas in Pregnancy
You feel bloated, full of gas and ready to explode, right? Because the state of irregularity in bowel movements is a complaint that you will experience regularly throughout pregnancy. Constipation and gas problems during pregnancy are the most common causes of bloating!
The level of progesterone circulating in your body while you are pregnant causes the smooth muscles in the large intestine to relax, making the intestines lazy. It causes the food to stay longer in the digestive system. This is the reason for constipation that causes bloating and gas. All these problems are related to each other.
Here are a few little tips for dealing with these issues:
- Make sure your bowel movements are regular.
- Eat less, don’t binge, divide your meals into 6
- Eat slowly, rushing makes you swallow air.
- Take it easy, tension and anxiety can turn you into a gas tank.
- Avoid gas-producing foods: Onions, stir-fries, cauliflower, cabbage, beans, carbonated drinks.
- Drink warm water with lemon.
- Breathe right!
Changes in Breasts During Pregnancy
Breasts go through many changes during pregnancy. One of the common symptoms in the first weeks of pregnancy is tenderness and soreness of the breasts. After the 8th week, the breasts can get bigger. As the glands and ducts inside the breasts enlarge, they may become lumpy. As the breasts change, you may notice that the veins just under the skin become prominent.
The average breast tissue weight before pregnancy is 200 grams. Breasts increase in weight and size while pregnant. Towards the end of pregnancy, each breast can weigh 400-800 grams. During lactation, each breast weighs 800 grams or more.
Weight Gain in the First Trimester: How Much Weight Should 13 Weeks Pregnant?
In the first trimester, your baby is just a poppy seed. So there is no need for the idea that I am feeding two lives. It may be appropriate to aim to gain 2 kg in the first trimester by keeping in touch with your doctor, but most women do not gain weight in this trimester due to nausea complaints.
Some people gain more weight because the foods that are good for nausea are starchy and high in calories.
For those who are a little slow at the beginning, it is not difficult to catch up in the next 6 months. Because after the first period, the food starts to be appetizing and smells good again. For those who start quickly from the beginning, going under control in the 2nd and 3rd trimesters will enable them to achieve their total weight target.
How much total weight you need to gain during pregnancy depends on your pre-pregnancy body mass index (BMI) or weight.
So, how is the body mass index calculated? You can get your weight by dividing your height in meters squared. E.g; You weigh 55 kilos and are 1.60 meters tall. You can calculate it with 55/1.60×1.60. You can set your own goal with your doctor based on the values below.
- Average: BMI between 18.5-26: 11-16 kg
- Overweight: BMI between 26-29: 7-11 kilos
- Underweight: BMI less than 18.5: 13-18 kilos
How Should Nutrition Be at 13 Weeks of Pregnancy?
Let’s start with the answer to our most frequently asked question: How should 13 weeks pregnant be fed? Absolutely caffeine free!
- Cut down on caffeine or eliminate it entirely from your daily food list. Most experts agree that 2 tiny cups of coffee or its equivalent can be consumed per day. This amount corresponds to approximately 100-150 mg of caffeine per day. If you can limit it, take whatever, if you’re worried about missing out, it’s best to stay away altogether.
- High caffeine intake is associated with reduced birth weight and a smaller-than-normal head in infants.
- Caffeine crosses the placenta and reaches the baby. It can affect both you and your baby’s calcium mechanism.
- Caffeine consumption increases the likelihood of respiratory problems in the newborn baby.
- It also mixes into breast milk and causes insomnia and irritability in the breastfed baby.
- Babies absorb and accumulate caffeine more slowly than adults.
Caffeine doesn’t just happen in coffee, as you might think. So you can’t escape caffeine by cutting out coffee consumption during pregnancy.
The following list specifies the amounts of caffeine from various sources:
- Coffee, 150 g – 60 mg to 140 mg or more
- Tea, 150 g – 30 to 65 mg
- Chocolate, 30 g – 25 mg
- Soft drinks, 360 g – 35 to 55 mg
- Painkiller tablets, standard dose – 40 mg
- Allergy and flu medications, standard dose – 25 mg
Photos of Her Pregnancy!
Has your tummy started to show? If you say that it is still not clear, it is very soon! Would you like to photograph this process?
How about Pregnant Yoga and Pilates?
We talked about the formation of stretch marks, bloating, gas during 13 weeks of pregnancy. Life doesn’t seem very pleasant. However, let’s remind you again, the first times are more difficult, don’t let your enjoyment go!
What do you say to fulfilling your pleasure rather than being bored? For this, you can spend the pregnancy process better by turning to things that will be good for your body and mental health. Pregnancy yoga and pilates or massage support is the first thing that comes to mind!