Embryo at the 3rd week of pregnancy is at the very beginning of its life path, it survived conception, attached to the walls of the uterus and begins the primary division of cells. The age of the embryo at 3 weeks of gestation, according to obstetric calculations, is only seven days, and the future mother does not even suspect its existence.
The life span of an embryo in 3 weeks is calculated in different ways and can be equated to 5 obstetric weeks or seven days from the absence of the last menstrual cycle. This is what is the impetus for a woman to purchase a pregnancy test or visit a gynecologist. There is a chance with practically no consequences to get rid of the fetus in 3-4 weeks of gestation.
However, however small the fruit is in 2-3 weeks, it already exerts a tremendous influence on the maternal organism by its presence. Special hormones are beginning to be allocated that will protect and support the baby throughout the entire period of gestation, bruises the chest, there may be signs of an early toxicosis and so on. A positive test for pregnancy becomes a source of desire to know what the fetus looks like 3 weeks and what it is.
Fetal ultrasound in 3 weeks
A transvaginal study of fetal development at 3 weeks does not tell in any way about the presence of any vices in development, and is appointed in exceptional cases:
- there is a risk of interruption of bearing;
- a woman senses pain in the abdomen or secretions from the genitals;
- desire to interrupt pregnancy and the need to specify the age of the fetus in 3 weeks;
- signs or symptoms of an ectopic attachment of a fetal egg.
What does an embryo look like in 3-4 weeks?
At this time the child is just a group of growing and constantly dividing cells that are just beginning to "form" in the future little man. The embryo size in 3 weeks is only 16 millimeters, and the weight is 1 gram. The lining organs can not withstand the appearance of any blemish and give complications incompatible with later life. The baby is now sickle shaped, and an experienced uzist will determine the location of the future tummy or back. The nose is represented by wrinkles, there are rudiments of the auricles and cartilages of the future skeleton. The end of the third week is marked by the formation of the heart muscle and its first contractions. The embryo is in a small fetal sac and is surrounded by amniotic fluid . Therefore, before the gaze of the future mother appears only a bright spot on the screen of the monitor, which will please the first heartbeat.