15th Week of Pregnancy

It may be that the expectant mother of her baby in the 15th week of pregnancy for the first time as the flutter of a butterfly’s wings senses.

From about the 15th week of Obstetricians and Gynecologists will no longer measure the Crown-rump length of the baby, even though she holds forth a while as a comparison value. Now, the baby weighs about 50 grams and is eight centimeters long. More interesting, he is diameter (BPD) but now known as Biparetale. For the doctor in the ultrasound of the baby’s head its transverse diameter which approximately 30 millimeters in the 15th week, Miss more.

In the ultrasound, the doctor can determine now also the gender of the child if it has not been possible. Parents who surprised at birth would allow, should attract the obstetricians and Gynecologists before the next ultrasound, out, that he shall not please tell the gender.

There is a difference between pregnancy and age of the baby: altogether a pregnancy is 40 weeks or 10 months. Here, the calculation starts about two weeks before the fertilization – with the first day of the last menstrual period. The Bill has proven, because not every woman the date of ovulation retroactively clearly determine. In the 15th week, the baby is thus about 13 weeks old.

The baby in the 15th week

The heart of the baby is fully developed in the 15th week with Atria, ventricles, and heart valves. Only a small oval hole which remains foramen ovale, even between the atria. Oval flows through the foramen the blood from the heart directly in the body, without going through the lungs. This is still useful, because the child receives oxygen through the umbilical cord and the lungs to the blood circulation plays no role. The foramen includes oval to the birth. Sometimes, it still remains in the first year of life, but then no problem for the child.

The baby can now turn his head properly and thus nod, because the neck is fully trained. It is now about eight centimetres long and weighs about 50 grams.

Girl or boy?
The sex of the child is set at the moment when egg and sperm at fertilization merge. Then connect same number of male and female chromosomes to 23 chromosome pairs. The last pair is thereby decisively either for sex, since it

then there will be two x chromosomes – a girl-

or from

then it becomes an X and a y chromosome – a boy-

There is.

In fact, only the sperm decide the future sex of the child. The egg of the mother has no bearing on it, because it delivers always two x chromosomes:

Both eggs and sperm cells have 23 pairs of chromosomes, being the 23 pair at the egg and two x chromosomes in the sperm of an X and a y chromosome from their Meiotic Division. During maturation, this set of chromosomes halved both. All ova contain therefore x chromosomes. The sperm however contain a y, the other half half an x chromosome. Thus “the man decides” on the sex of the child.

In the 15th week, the doctor in the ultrasound can detect whether the pregnant women gets a girl or a boy, according to http://www.insurancejust.com/. When the male baby the plant for the penis has emerged now significantly. Installations for the testicles stay until shortly before the birth in the abdominal cavity, in rare cases even longer.

With a girl, especially the bulging clitoris is striking because the labia are barely trained. On the ultrasound monitor can a small penis a bit similar. Already some millions of immature eggs stored in the ovaries.

In the course of the pregnancy, the size and weight of the baby will evolve always individual. The following values can be only average values. Parents should therefore not worry, if the values obtained from the obstetricians and Gynecologists differ from the ones mentioned here.

The mother in the 15th week

To the 15 SSW, the time has come to look for a midwife, if the expectant mother whose services would like to use during the pregnancy. Now to get to know should make an appointment, even though the midwife is later used (in the birth preparation courses or in the framework of screening). But even if only a midwife in follow-up searches, you should start now, because many midwives are booked far in advance.

Around the 15th week of pregnancy, many expectant mothers are extremely forgetful. Through the hormonal changes the brain in pregnancy shrinks actually slightly and decreases the performance of the brain. But don’t worry: returns everything to normal state after the birth. Important dates and other things that we would like to remember, should now but rather are recorded in a calendar.

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