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In China, the first case of a corona-infected mother was transferred to a baby in her stomach. Corona19, another example that shows that there are still a lot of people to study.

Reporter Nam Joo-hyun.

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In the spread of corona19, pregnant women doze.

[Pregnant woman: I was very anxious about the possibility that my baby would be infected vertically if I was infected.]

In fact, the American Medical Association reported that a newborn baby was suspected of being infected in the mother's belly, a corona19 patient.

A baby born in Wuhan, China, on the 22nd of last month, had a negative in one genetic test two hours after birth, but blood tests identified specific antibodies from corona19 infection.

This antibody is so large that the mother's antibody cannot cross the placenta and be transferred to the baby.

It means it is an antibody made by the baby's body.

After infection, it takes more than three days to develop, and the baby found the antibody in the blood two hours after birth.

However, even if a corona19 vertical infection is possible, not all newborns are infected.

Chickenpox virus is also infected vertically, but the rate is only 1 to 2%.

Experts say it is more harmful for a fetus to have a fever with corona19 in early pregnancy than a vertical infection.

Therefore, you need to be especially careful in the early stages of pregnancy.

[Hong Soon-Cheol / Professor of Obstetrics and Gynecology, Ancient Anam Hospital: You can increase the risk of fetal malformations between 5 and 10 weeks of pregnancy. The column itself may be a more dangerous variable.]

There have been cases of corona19 confirmed cases in Korea, but there have been no cases where a newborn baby is infected.

(Video coverage: Seungwon Park and Dongcheol Kang, video editing: Seungyeol Lee)