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what are the causes of heart disease during pregnancy and what are the causes of heart disease during pregnancy

what are the causes of heart disease during pregnancy and what are the causes of heart disease during pregnancy

The main causes of heart disease during pregnancy: there is heart disease before pregnancy; Pregnancy-induced heart disease

I. Etiology

This disease often has the following two causes:

1. The original heart diseases are mostly rheumatic and congenital heart diseases, while hypertensive heart diseases, mitral valve prolapse and hypertrophic heart diseases are rare;

2. Heart disease induced by pregnancy, such as pregnancy induced hypertension and perinatal heart disease.

(1) Blood volume increases during pregnancy,

(2) Cardiac output increased and reached its peak at 13 to 23 weeks of pregnancy.

(3) During pregnancy, the diaphragm increased, the large blood vessels twisted, the heart and the position of blood vessels changed, which aggravated the burden on the heart

(4) Increased metabolism during pregnancy.

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