Can be inferred: If you know how many weeks pregnant you by ultrasound, then it can give you the presumed LMP which is two weeks before you ovulated.
Answered 2/13/2015
4.4k views
LMP: If you are pregnant and unsure of your lmp, an ultrasound can measure the size of the fetus and help to calculate your LMP and your due date.
Answered 2/13/2015
4.4k views
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