The 7th week of pregnancy is a time of important changes for your body and your baby. While you may not be able to see your belly at week 7 of pregnancy, your body is preparing to become a protective home for your little miracle in the next few months. You can find more information below.

7 weeks pregnant: Overview

7 weeks pregnant is when there are important changes for both you and your baby. While not much is obvious from the outside, your body is getting ready to feed your child for the next few months. Every new development or symptom brings you one step closer to giving birth to your baby.

7 weeks pregnant: Your baby

The development of the embryo is progressing steadily. By the 7th week of pregnancy, major internal organs such as the heart, lungs, liver and kidneys have already begun to form. During this time, the brain also begins to mature and continues to develop for a long time.

brain at 7 weeks of gestation ; The forebrain develops separately as the midbrain and hindbrain. The forebrain is responsible for the ability to think, make decisions, find solutions to problems, form and store memories.

In the midbrain, all electrical stimuli and signals striking the brain are recorded and transmitted to the appropriate places. The hindbrain regulates bodily functions such as breathing, heart rate, and muscle movement.

In the 7th week of pregnancy , even if your baby is sometimes not visible with the ultrasound device, sometimes you can see the body shape clearly. Your embryo looks more and more like a baby. Your baby’s bones and muscles are already starting to form in your embryo.

Even if the ultrasound scan shows nothing at week 7 of pregnancy , your child’s gender has already been determined. Sex is determined during fertilization.

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An egg cell always carries an X chromosome, while a sperm cell can carry an X or Y chromosome. Depending on which combination fertilizes or mates with each other, a girl (XX) or a boy (XY) will develop over the next few weeks and months.

How big is your baby at week 7 of pregnancy?

By the 7th week of pregnancy, the embryo has reached a size of about 5 mm, or the size of a blueberry. You will be surprised how fast the embryo grows in the following days!

7 weeks pregnant: your body

You know you are pregnant for one, two or three weeks and you are definitely looking forward to the further development of your body and baby. There are usually no signs of pregnancy in your 7 weeks pregnant belly , but you may notice other changes in your body.

It is also completely normal to gain some weight during the 7th week of pregnancy due to morning sickness . Your bras may be a little tight because your breasts will get bigger.

Due to bloating and consequent abdominal pain , your favorite pants week 7 of pregnancy may be a little uncomfortable, but there are no signs of pregnancy yet in your belly.

During the 7th week of pregnancy , discharge is also completely normal and most of the time this is related to hormonal changes.

Also , hormone-related mood swings are a part of a pregnant woman’s daily life during this time. Mood swings in the first trimester or the first 12 weeks of pregnancy can be extreme. This shifting mood is mostly triggered by hormonal imbalance that can affect you positively or negatively.

Hormone balance rearranges itself in the next trimester and both you and your environment will notice that your mood is normalizing again. It is only a matter of time before these unpleasant signs and symptoms of pregnancy disappear.

7 weeks pregnant: Symptoms

By the 7th week of pregnancy, many expectant mothers will begin to experience pregnancy symptoms. Some typical symptoms may be:

Constant urge to urinate

Your body is now carrying waves of hormones and your blood circulation is particularly stimulated. Both cause your body to produce more fluid. In addition, the growing uterus puts pressure on the bladder. The result is that you need to go to the toilet occasionally.

However, it is important that your body continues to be well hydrated. For this reason, you should drink more water than usual during your pregnancy.

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Increased secretion formation can cause more discharge than normal. However, if you are worried or experience other symptoms such as itching or burning, do not hesitate to see your doctor. For more information, you can read our article on discharge during pregnancy .

changes in skin color

It is possible that the nipple is darkened, the thoracic veins appear clearer, or you suddenly discover a line between the navel and the pubis. There may also be birthmarks and freckles. This change in pigmentation is normal and nothing to worry about.

Stomach ache

As with the previous weeks, the 7th week of pregnancy may have a pulling sensation in your belly. Due to pregnancy hormones, your muscles and ligaments are now loosening and stretching, which can lead to symptoms.


The pregnancy hormone progesterone causes fatigue, especially in the first trimester of your pregnancy. It also stimulates your metabolism and burns more energy, which can contribute to overall exhaustion. Low blood pressure and increased blood production can also add to the emotional ups and downs and loss of energy you are currently experiencing.


If you have a burning sensation from the bottom of your stomach to your mouth after eating, you may be experiencing pregnancy-related indigestion or heartburn. Avoid heartburn triggers like spicy or fatty foods and caffeinated drinks. Do not consume liquids other than water before and after meals, too much liquid mixed with food will destroy your stomach and aggravate the burning. For more information, you can read our heartburn article.


But don’t worry if you don’t see any symptoms at week 7 of pregnancy. You will probably be one of the lucky women to enjoy your pregnancy without any symptoms in the first place from the very beginning. If you are still worried, simply make an appointment with your gynecologist.

7 weeks pregnant: Ultrasound

For a healthier pregnancy, your doctor may order an ultrasound. Careful measurements taken during the first trimester are more accurate in estimating the age of the embryo than ultrasound done later in pregnancy. Using these measurements, a sonographer can quickly determine the baby’s age.

As the baby’s growth progresses, these measurements are less reliable in estimating the baby’s age due to varying growth rates. Just as children come in different shapes and sizes, babies in the womb can grow at different rates.

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In addition to understanding the date of birth at 7 weeks gestation , your doctor may order an early ultrasound for a variety of reasons. Causes include problems confirming your pregnancy, scheduling the baby’s heartbeat, or pelvic pain.

You may already be familiar with ultrasounds from your previous knowledge. These transabdominal ultrasounds are performed by placing cool gel on the abdomen and using a transducer that emits sound waves to create a picture of your developing baby.

In the later weeks of pregnancy, this method works better and gives better results. While ultrasound often doesn’t show anything this week of pregnancy, some women can see the tiny baby and even hear its heartbeat!

7 weeks pregnant: Things to consider

You may want to buy a few pieces of clothing to wear as your belly grows. For example, make sure you fit the correct bra size throughout your pregnancy, opt for underwear and clothing made of cotton or other natural fibers to help you stay cool and comfortable.

Make sure you and your little one are getting the nutrients you need. Avoid spicy or fried foods as they can cause heartburn.

Also, if you’re vegetarian or vegan , you can find plant proteins to help balance your diet. You should also ask your doctor if you should take supplements, such as vitamin B12, which is only found in animal products.

Take good care of your skin during your 7 weeks of pregnancy. During this time, you may have acne due to hormones. Therefore, to prevent clogged pores and acne breakouts, keep your skin clean and try to remove excess oil.

Wash your face twice a day with a mild cleanser, keep your hair away from your face. Choose healthy make-up materials.

What to ask your doctor

  • What is the best way to manage weight gain while pregnant?
  • Are there any special precautions to be taken at work during pregnancy?
  • What plans should I make for birth and postpartum? (You can ask about possible complications in the delivery room, other difficulties, and how to handle them when the time comes.)

Control List

  • Make sure you get enough folic acid and other essential nutrients in the form of vitamins.
  • Find out what you might experience in the next few weeks of your pregnancy.
  • Get a flu shot during flu season.

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