Looking for perinatologist in Canada (Ontario)

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I am looking for a perinatologist or equivalent to help me assess the risk of developing preeclampsia with a second pregnancy. Is anyone aware of any professionals in Ontario? My obstetrician last time around was so flippant about my concerns after the birth of my child (in which I was in labour for 2 1/2 days!) that I feel I need advice from someone who understands the severity of this condition.

Thanks in advance - I'm so pleased to have found this site. [:)]
Shannon