Fetal ultrasound calculator

Calculator

First trimester ultrasound

Multiple Pregnancy


* Mean diameter = ( length + height + width ) / 3

# CL
Corpus luteum
# GSD
Gestational sac
# YSD
Yolk sac
# CRL
Crown-rump length
# NT
Nuchal translucency
# NT/CRL

Calculator

Fetal heartbeat

Multiple Pregnancy


# FHR
Fetal heart rate

Calculator

Fetal biometry

Multiple Pregnancy


# CHL
Crown-heel length
# BPD
Biparietal diameter
# OFD
Occipitofrontal diameter
# HC
Head circumference
# AC
Abdominal circumference
# APAD
Anteroposterior abdominal diameter
# TAD
Transverse abdominal diameter
# FL
Femur length
# TL
Tibia length
# FiL
Fibula length
# FoL
Foot length
# HL
Humerus length
# UL
Ulna length
# RL
Radius length
# NB
Nasal bone length
# NT
Nuchal translucency

Calculator

Placenta. Amniotic fluid.

Multiple Pregnancy


# PT
Placental thickness
# PG
Placental grade
# AFI
Amniotic fluid index