My newborn had a hematoma that was quite large and I wanted to post how it resolved. We declined the Vit K since we only wanted it if there was bruising or a traumatic birth. It was small at birth, and I didn't realize at the time that the birth WAS traumatic because it was precipitous. (1 hr active labor, 1 hr pushing). Her hematoma grew over the next 10-14 days and it wasn't going down. We knew it would take a while, but even at 3 weeks, there was no decrease in the size. Finally, at a checkup, I consented to the Vit K injection. Five days later, it is nearly gone. Starting the next morning after the shot, it was smaller and each day got smaller and smaller. I am figuring she must have been bleeding some so it wasn't going down but not getting bigger either (after a certain point).
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Anyway, for anyone else in this situation, you may want to consider getting the Vit K if you have a similar situation. Hematomas generally aren't harmful at all, so I am glad it was a more minor consequence of initially declining the Vit K, but I do wish I had requested that she have it at birth.
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At birth (slightly different angle than next pic but it wasn't very big at this point).
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Two weeks old. It didn't get too much bigger than this.
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Latest, almost gone! She's 26 days old here, 4 days after receiving the Vit K.









