Home / Calculators
17 obs & gynae calculators
The same calculators as the app, free to use here. Results update as you type. Check every result against the woman in front of you and your local protocol.
GA & EDD from LMPGA & EDD from CRLGA from an earlier scanEDD after IVF transferBP, MAP & pre-eclampsiaObstetric shock indexBMIInsulin starting doseLMWH prophylaxis dosePUQE-24 scoreBishop scoreApgar scoreJohnson's fetal weightObstetric conjugateOxytocin infusion ratehCG 48-hour changeRisk of Malignancy Index
Dating & gestation
LMP
GA & EDD from LMP
Loading…
CRL
GA & EDD from CRL
Loading…
US
GA from an earlier scan
Loading…
IVF
EDD after IVF transfer
Loading…
Maternal
MAP
BP, MAP & pre-eclampsia
Loading…
SI
Obstetric shock index
Loading…
BMI
BMI
Loading…
INS
Insulin starting dose
Loading…
VTE
LMWH prophylaxis dose
Loading…
PUQE
PUQE-24 score
Loading…
Labour & birth
BS
Bishop score
Loading…
APG
Apgar score
Loading…
EFW
Johnson's fetal weight
Loading…
OC
Obstetric conjugate
Loading…
OXY
Oxytocin infusion rate
Loading…
Gynaecology
hCG
hCG 48-hour change
Loading…
RMI
Risk of Malignancy Index
Loading…