What is placenta previa?

Here are some signs to suggest that a lady may be having placenta previa: - Premature contractions - Baby is breech, or in transverse position - Uterus measures larger than it should according to gestational age Most common sign is painless bleeding during the third trimester.

On top of what already has been said, here's a visual of what placenta previa looks like if you're squeamish about imagining it yourself:

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