Normal Fetal Circulation. The heart and its blood vessels start to develop at the end of the third week of conception and the heart begins to beat in the fourth week.

When a fetus is smaller than expected for the number of weeks of pregnancy, due to associated problems like a poorly developed heart, health concerns as severe as brain damage can result.

Cleveland Clinic announces rare, lifesaving fetal surgery to remove heart tumor. Updated: ; Mar. 07, 2023, 4:17 p.m. | Published: ; Dec. 22, 2021, 5:05 p.m.

For the first time, fetal medicine experts have performed prenatal heart surgery to remove a life-threatening tumor, called intrapericardial teratoma. The patient, who underwent the operation at ...

They evaluated the hearts of pregnant female mice that underwent mid-gestation heart injury and survived. Using green fluorescent protein in the fetuses to tag the fetal stem cells derived from ...

Fetal aortic valve stenosis and the evolution of hypoplastic left heart syndrome: patient selection for fetal intervention. Circulation 2006; 113 (11): 1401–1405. Article Google Scholar ...

Juan is now the second baby to survive the fetal surgery. The procedure was performed when his mother was 21 weeks pregnant with the baby. "His heart at the time of surgery was the size of a peanut.