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Born Premature

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Pregnant women may want to make sure their obstetrician knows her history of premature birth.

A new study suggests women who were born pre term may be more likely to have pregnancy complications than other women.

It found the risk is higher for women born before 32 weeks' gestation.

Canadian researchers examined data from more than 7,000 women born pre term, earlier than 37 weeks' gestation, and more than 16,000 born at term between 1976 and 1995.

At least one pregnancy complication occurred in more than 13 percent of women born between 32 and 36 weeks, nearly 20 percent of those born at less than 32 weeks and nearly 12 percent of women born at term.

Those pregnancy complications included gestational diabetes, gestational hypertension, and preeclampsia or eclampsia.

The new research also found that chronic high blood pressure and type 2 diabetes were more common among women born pre term than among those born at term. Both conditions increase the risk of pregnancy complications.

The findings appear in the latest journal of the Canadian Medical Association.