Symptoms of a morning toxicosis – such as a nausea, the dizziness, consciousness loss – directly depend on increase in blood of the pregnant woman of hormones of an estrogen and a progesterone. Thus there is a law: the above progesterone level, the symptoms of a toxicosis and the less risk of an abortion earlier are shown. So it is not necessary to hasten to complain and complain of a nausea.

As a rule the toxicosis is most strongly shown on the second and fifth month of pregnancy. To reduce to a minimum of inconvenience from a toxicosis, very important regularly to eat, small portions.