Gestation Calculator - Leeds Screening Centre

Gestation Calculator:

Enter the first day of your last menstrual period or, if you have been given a due date by a prior scan, enter this date.

Tests currently available to you will be shown in colour.

Colour Key	DNA screening Ultrasound Multi-marker screening

Fetal well-being scan

Earliest Week: 24
Latest Week: 42

Price: £120

An ultrasound scan to assess the development of the baby. By measuring the baby's head, abdomen and thigh bone the growth and estimated fetal weight can be calculated. Fetal movements, placental site, amniotic fluid and blood flow to the baby are also assessed.