Risk class | Risk of pregnancy by medical condition |
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I | No detectable increased risk of maternal mortality and no/mild increase in morbidity. |
II | Small increased risk of maternal mortality or moderate increase in morbidity. |
III | Significantly increased risk of maternal mortality or severe morbidity. Expert counselling required. If pregnancy is decided upon, intensive specialist cardiac and obstetric monitoring needed throughout pregnancy, childbirth, and the puerperium. |
IV | Extremely high risk of maternal mortality or severe morbidity; pregnancy contraindicated. If pregnancy occurs termination should be discussed. If pregnancy continues, care as for class III. |