How big is a 1.6cm uterine fibroid?

Answer 1

If a fibroid  grows in size  from 1.6cm to 3.0cm, at this sizes it's probably not clinically significant which means it's unlikely to cause any problems for or to the woman.  At this size its insignificant and not lethal for a woman's health.

Answer 2

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Simply said: an inch is equivalent to 2.5 centimeters - therefore, 1.6cm is equal to approximately 0.66 inches. rbb, md