Pregnancy Calendar : Week by week

From conception to the birth of a baby, nine months, forty weeks, or 280 days will pass. Approximately, of course. Only five percent of babies are designed to be born right on time. Forty weeks is a significant period in the life of both the expectant mother and the unborn child. But for some reason, most women’s knowledge about it is limited. Instead, they are focused only on their body. But it’s not just your belly that’s growing. Your baby is growing.

1-4 weeks
Your figure is still the same, but the body and sensitivity begin to slowly change: the chest is a little swollen, and the waist has added a few millimeters. But the main work is done so far imperceptibly. From the moment of fertilization, the body gradually increases blood volume, forcing the heart, kidneys, and lungs to work more energetically. Attachment to the wall of the uterus of the future placenta can cause nausea, drowsiness, and mood swings.
Your baby is a tadpole-like embryo. It is tiny, smaller than a grain of rice.
5-8 weeks
The abdomen and chest continue to grow. Menstruation is delayed, and you go to the gynecologist. The doctor will listen to your lungs and heart, examine your wardrobe, check the condition of your teeth and refer you for a preventive examination by a cardiologist, dentist, and other specialists. You will have swabs taken from your vagina and cervix: measure blood pressure, height, weight.
You will pass a urine test for sugar and protein content, a complete blood count, and blood from a vein to establish the group and Rh factor and determine the presence or absence of anemia and sexually transmitted diseases.
Your baby already has a beating heart, shoulders, and toe-like feet. Bones begin to replace cartilage. The length of the embryo increases to 33 mm, and weight – up to 9 g.
9-12 weeks
The waist grows noticeably. Because of the increase in blood volume, the veins in your abdomen, legs, and around your chest are more visible. If you do not suffer from toxicosis, then by this time, you can gain about 2 kg. Second visit to the antenatal clinic. Habitual measurements of weight, pressure, pelvic volume, and the first ultrasound. Again analyzes (general), plus palpation.
The doctor carefully probes the abdomen to determine the position of the fundus of the uterus, by which he judges how the fetus is growing. This procedure and examination of your hands and feet for swelling will be done at each test.
The embryo develops organs, the circulatory system, and the urinary system function, the liver produces bile, and the genital organs are also developed. Its size is from 6.2 to 7.5 cm, and its weight is about 16 g.
13-16 weeks
Here it is, your small and neat tummy! The mother and baby have grown up. During this period, you will gain another half a kilogram, mainly due to the buttocks that have gained weight. Freckles and moles darken, and a brown stripe appears on the abdomen, from the navel to the pubis, which will disappear after childbirth. At each examination, the doctor will listen to the fetal heartbeat. Your blood pressure, pelvic volume, and weight are again measured. Get your urine and blood tests done.
The fetus already looks like a child, and its length is 10 cm. During this period, the head grows, the germs of the teeth appear, the fingers and toes are well-formed. Nutrition to the fetus comes through the child’s place.
17-20 week
Now you can enjoy not only the sight of your round tummy but also the first movements of the little man. The breasts are getting bigger and can start producing colostrum. You can gain another 4 kg—time for the next visit to the doctor. Your blood will be taken from a vein to detect a biochemical marker of fetal chromosomal abnormality.
The intensity of fetal movements increases. The length of his body is 20-25 cm. It is covered with a thin bubble, and hair begins to grow on his head, eyebrows and eyelashes appear.
21-24 weeks
You quickly and easily gain weight: “extra” is already about 5 kg.
You feel tired, pain in the spine, heaviness in the legs. Do not become limp. Pick up a good set of physical exercises for charging—time for a follow-up ultrasound.
A developing child is about 33 cm long and weighs about 900 g. The skin is shiny and already contains some fat in the subcutaneous tissue.
25-28 weeks
The pigmentation of the nipple may change and reach the middle of the chest. In addition, age spots may appear on the forehead and cheeks. You should attend a consultation not once a month but once every two weeks. You should be given an exchange card in your hands. Don’t forget to always carry it with you.
A layer of fat surrounds the child, reacting to pain, light, sound. Can suck thumb, hiccup, cry and taste sweet and sour. In case of premature birth, the baby can survive with intensive care.
29-32 weeks
You already feel light contractions – your body is preparing for childbirth. The tummy becomes a stomach: the navel is smoothed out, stretch marks may appear on the skin – do not forget to take care of it. If the course of pregnancy and fetal development are ordinary, ultrasound is the last.
The child can see and hear. Almost all systems of his body are well developed. The brain grows especially intensively. The child’s length is about 45 cm, weight – 2500 g. In premature birth, the child has a high chance of surviving.
33-36 weeks
The uterus presses on the diaphragm, making you feel like you are short of breath. Don’t worry: the baby is getting enough oxygen. During this period, your lungs take in much more oxygen during inhalation than usual. The doctor must be visited weekly.
37-40 week
The uterus and abdomen descend. It becomes easier for you to breathe. But the pressure on the bladder increases, and you feel the need to urinate more often. The body is preparing for childbirth: it’s time for the baby to be born. If you followed the diet, then during the entire pregnancy, you added a maximum of 12 kg.
The child is fully developed. It weighs more than 3 kg and has a body length of about 50 cm. As a rule, the fetus lies head down. After the 40th week, the pregnancy is considered overdue.
Expert comment
Dear future mothers! Do not forget during pregnancy, to prevent the development of possible anemia in your unborn child – even with a slight decrease in hemoglobin (less than 110 g / l), iron and folic acid preparations must be taken. And, of course, you must take a unique vitamin complex (for example, prenatal) throughout your pregnancy.

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