7 weeks of pregnancy

On the 7th week of pregnancy to future child 5 weeks as by rules of obstetrics calculation of term is conducted of the first day of the last periods.

Changes of a fruit

On the 7th week of pregnancy the fruit size at measurement from a darkness to a tailbone makes already 11 – 14 mm, and it weighs about 1 g. To a half of length of a body the embryo head makes. Because of features of blood supply of the handle develop quicker, than legs, they are bent in elbows, the palm is created. On hands and legs fingers clearly are noticeable. All systems and bodies of an embryo proceed to develop promptly.

The major changes affect cardiovascular system – heart was divided into auricles and ventricles to work as for all mammals, large blood vessels – an aorta, pulmonary veins and arteries, venas cava form.

In 7 weeks of pregnancy future kid already has all main parts of a brain (it is divided into 2 hemispheres), acoustic organs and sight. On the head of an embryo it is possible to notice auricles on each side, and eyes cover the created eyelids.

On the 7th week of pregnancy on ultrasonography the tail which remains at an embryo up to the 10th week is visible.

Formation of blood cells happens in a fruit liver now, in it bilious channels are formed. At the same time the trachea, a gullet, intestines develop. In a pancreas the first insulin – hormone on which exchange of carbohydrates depends is produced.

The placenta undertakes a role on life support of a fruit more and more – to supply with its oxygen, nutrients and removal of metabolic products. Completes the formation an umbilical cord, the uteroplacental blood stream almost completely is established.

On the 7th week of pregnancy on ultrasonography a fruit floor it is not visible yet, but during this period internal gonads are made out in men's (testicles) or female (ovaries), and outside between legs only the hillock which will turn further into female or male external genitals is visible.

On the 7th week of pregnancy the fruit begins to move, only because of the small sizes of a fruit the woman of movements does not feel.

Changes in the woman's organism on the 7th week of pregnancy

Intensively adapts to the growth rate of a fruit and a female body. The uterus increases in sizes twice though on the 7th week of pregnancy the stomach did not change a configuration yet. On this term the uterus by the sizes is usually compared to big orange. The increased uterus already puts pressure upon surrounding bodies, at some it is shown by increase of desires to an urination.

On the 7th week pregnancy of the woman gives her good appetite as the organism tries to reserve nutrients for growth of a fruit. And though rigidly it is not necessary to limit itself, it is worth controlling weight not to exceed the increases recommended by obstetricians.

The volume of the blood circulating in vessels increases by 10%.

Pains on the 7th week of pregnancy can be caused by the fact that the sheaves supporting a uterus stretch. They are localized from a stomach on each side and are not dangerous. To reduce unpleasant feelings, do not recommend to be in an intense vertical pose long.

And here have to guard the woman on the 7th week of pregnancy of pain in the bottom of a stomach, as at periods – pulling, skhvatkoobrazny. These are the first symptoms of an abortion, at them it is better to see a doctor at once. Bloody allocations on the 7th week of pregnancy quite often are followed by abdominal pains. Bleeding can gradually begin, with emergence of several drops of scarlet blood, and can at once plentifully. Than quicker the woman will ask for the help, that a high probability to save a fruit. - so-called "bleach" usual allocations on the 7th week of pregnancy - can amplify under the influence of hormonal shifts.

Unpleasant feelings can be also in a breast – in the form of a pricking, swelling.

Inspection on the 7th week of pregnancy

Ultrasonography on the 7th week of pregnancy will show the place of fixing and quantity of fruits, heartbeat, the movements of an embryo.

The doctor usually at registration on pregnancy gives at once the directions to specialists (the therapist, the oculist, the stomatologist), on an ECG, a blood group and a Rhesus factor, on blood tests and urine, on a smear from a vagina. Some of them will be required to be repeated for pregnancy repeatedly.