Kate Middleton has a second baby to look forward to - but she is probably not enjoying a second round of hyperemesis gravidarum, the extreme form of morning sickness with which she's been afflicted during both her pregnancies.
'Nausea and vomiting in pregnancy is really common, but hyperemenis gravidarum is a more specific disease characterized by prolonged nausea and vomiting, dehydration and at least a 5% body weight loss,' Dr. Shilpi Mehta-Lee, a maternal fetal specialist at NYU Langone Medical Center, told the Daily News.
It affects 1 out of 50 to 1 out of every 300 pregnant women, she said.
Women who have had the illness in one pregnancy are more likely to have it in subsequent pregnancies, too.
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'Every pregnancy is different, and it's not 100% clear if a patient has it in her first she will definitely have it in her second, but it's certainly more likely,' Mehta-Lee said. 'About 15 percent who had it in the past will go on to have it again.'
But women who didn't have it the first go-round have a less than 1% chance of getting it in later pregnancies.
Duchess Kate sat out of a commitment in Oxford today to receive medical care for the condition.
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Treatment options for hyperemesis gravidarum depend on a woman's symptoms and can range from lifestyle modifications to intravenous fluids in the hospital. Acupressure, acupuncture and motion sickness bracelets might help, too.
And sorry, gamblers: this extreme morning sickness doesn't give any indication of whether the new royal baby is a boy or girl.
'People like to think that it would be one gender or another, but we see patients with both genders have equal amounts (of this),' Mehta-Lee said.
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