THIS APP IS INTENDED FOR USE OF HEALTHCARE WORKERS. Pregnancy Calculator for Healthcare Professionals calculates the gestation week based on the first day of the last menstruation period or previous ultrasound scans. FAST is carefully designed to provide a convenient solution for physicians, midwives, nurses and medical secretaries with busy work schedules.

INSTRUCTIONS
The gestation week can be calculated by choosing the first date of the last period on the period tab. Alternatively, it can be calculated by choosing the date of a previous ultrasound and the gestation week at that date on the ultrasound tab.