What reason is pregnant fetal small?

summary

Pregnant in October is very hard, especially in the first three months, and this third month is also a period of easy abortion, or the most serious stage of pregnancy reaction, pregnant mother should be prepared. So, what is the reason for the small pregnancy? Let's talk about it.

What reason is pregnant fetal small?

1. Rubella virus rubella virus is also called German measles. Pregnant women are asymptomatic or have cold like symptoms after infection, such as throat discomfort or low fever. If the fetus is infected with the virus in the first trimester of pregnancy, i.e. before 3 months of pregnancy, 80-90% of the fetuses will be infected, and 80-90% of the fetuses infected will have heart malformations, congenital deafness, congenital mental retardation, congenital amblyopia and other problems. Therefore, once pregnant women are diagnosed with rubella virus infection, they must continue to check whether the fetus is infected. If the fetus is infected, the child should not stay; But if the virus can be found in pregnant women before pregnancy or early pregnancy, it will be much easier to deal with.

2. Cytomegalovirus Cytomegalovirus may cause fetal microcephaly, jaundice, intracranial calcification, growth retardation and so on. The fetus can be affected at any time during pregnancy.

3. The infection of B19 parvovirus in the first trimester of pregnancy may lead to intrauterine anemia, fetal edema, cardiac malformation, etc. the infection of B19 parvovirus after 5 months of pregnancy has no effect on the fetus.

matters needing attention

These viruses are pervasive in our life, and people can't prevent asymptomatic infection, so the necessary examination must be done.