The fetus

You have just learned that you are pregnant and want to follow the progress of your pregnancy - and your baby closely. It's normal ! Fortunately, the development of the fetus is now better and better understood from both an anatomical and physiological point of view.

Discover here the evolution of your baby, month by month, throughout your pregnancy.

The fetus at 1 month

At four weeks, some organs begin to set up. This is the phase of organogenesis. Outlines of the stomach and heart appear. One can even perceive the first heart beat of the fetus.

However, the members do not really stand out. The nervous system is developing. The embryo floats in the amniotic cavity connected to the embryo by the umbilical cord, then in formation.

At the end of the first month of pregnancy, the embryo measures 2 to 5 mm.

See also: Ultrasounds of pregnancy week after week

The fetus at 2 months

The fetal brain develops, just like the liver, stomach and pancreas. The outline of the vertebral column begins to individualize, the arms and the legs lengthen, the first muscular fibers are put in place.

On the sense side, the ears and the tip of the nose are outlined, but the embryo does not hear, and does not see yet. The embryo bathes in an aqueous universe, in the amniotic fluid. It is thus protected against possible shocks.

At the end of the 2nd month of pregnancy, the embryo measures about 3 cm, and weighs 10 grams.

Calculate your delivery date!

When will my child be born? Our date of delivery calculator tells you, based on your last menstrual period and your monthly cycle time, the likely date of the happy event!
Calculate my delivery date ...

Read also :
> The beginning of pregnancy
> The first week of pregnancy: how is it going?
> Your pregnancy month by month

Popular Posts

Category Pregnancy, Next Article

The Epidural: Preparing the Epidural - Pregnancy

The Epidural: Preparing the Epidural

Epidural anesthesia is explained to pregnant women during prenatal consultations and pre-delivery sessions. During pregnancy, around the beginning of the 9th month, a consultation with the anesthesiologist is obligatory, whether one wishes to use the epidural or not. This consultation makes it possible to inform the future mother in case emergency general anesthesia is necessary
Read More
Being pregnant after 40 years: The risks for the fetus - Pregnancy

Being pregnant after 40 years: The risks for the fetus

The risk of malformation in children increases little with the age of the mother, except for the trisomy 21. It is estimated the risks of giving birth to a child with Down Syndrome 21 to 1 over 1500 to 20 years, and to 1 in 100 to 40 years. At 20, we will not always think about screening, whereas after 40 years, it will be obvious
Read More
The sperm donation: Who can give? - Pregnancy

The sperm donation: Who can give?

In France, sperm donation is governed by the 2013 bioethics law. Here is who can give: The donor must be between 18 and 45 years old. Since 2015, it is useless to be a parent to give. Since 2004, a single man can give his sperm. If he is a couple, the spouse must agree in writing. The donor must be voluntary and will not be paid
Read More
The 6th month of pregnancy - Pregnancy

The 6th month of pregnancy

In the 6th month of pregnancy, that is to say between 25 and 28 weeks of amenorrhea, you enter the third trimester of your pregnancy. At 6 months of pregnancy , your belly is already well rounded, and pain or discomfort may begin to appear. Your future baby is more and more active, and you feel his movements regularly
Read More