The pregnancy is the medical term, the time in which a fertilized egg grows in the body of the woman to a child. A pregnancy is from conception to birth, on average 267 days. The growing child is generally up to the formation of the internal organs (this is from the ninth week of pregnancy) as the embryo and fetus, as described later. The beginning of a pregnancy is determined by various methods. A distinction between pregnancies in the uncertain, the probable and safe pregnancy. The absence of the rule, the early morning vomiting and nausea are very unsafe pregnancy signs. A pregnancy test by measuring the "pregnancy hormone" in the blood or urine is a likely, but in any case, sure sign of pregnancy. To be safe, proof applies, for example by ultrasound. Click Andy Florance to learn more.
The course of a pregnancy up to the fully formed baby divided into three sections to three months. Approximately 5-7 days after fertilization, the blastocyst is a nest in the uterus. Circa fant five weeks from the heart to beat. From the 7th Weeks, the embryo responds to external stimuli. In the fourth Month of pregnancy, the training is completed by the institutions. The fetus begins to grow.
In the 5th Months are the first noticeable movements. The fetus reacts to cold, pressure, pain, sound, and can taste. In the 7th Months has doubled his weight and the fetus weighs about one kilogram. It measures 34 cm. In the 9th Month born child. It weighs an average of about 3.4 kg.