Zoho Sheet

Purpose: To estimate the duration of pregnancy using 266 days from the date of conception (or 280 days from the first day of the LMP).

Sriram & Svirbely 1997

conversion

enter

weeks

0.14

weeks equals

1.0

days

data

enter

Are you evaluating a pregnant woman's gestational dates? (Y or N)

:-):-):-)

enter an "x" in the appropriate column for the date known (give only 1 answer)

last mentrual period

estimated date confinement

date known

Yes

estimated date of confinement (EDC, m/d/yy)

5/6/1997

examination date (m/d/yy)

11/6/1996

calculate

results

data complete?

Yes

evaluation appropriate?

Yes

:-):-):-)

first day of last menstrual period

7/30/1996

...

estimated date of conception

8/13/1996

weeks of gestation from LMP

14.14

weeks of gestation by LMP

weeks since conception

12.14

weeks since conception