Obstetrix Blood Loss Calc

This is yet anoter blood loss calculator especially for obstetrix blood lost.

The body surface area is on Dubois and Dibois formula.
Estimated Blood Volume Based on Body Surface Area is on Smetannikov-Hopkins formula.
Plasma Volume and red cell volume from Body Surface Area is on Hurley formulas.
Impact of Pregnancy on Intravascular Volumes on Peck table.
Valid blood loss os 0,5% of body weight.
Blood loss is on Moore formula.

References:

Dubois D, Dubois EF. A formula to estimate the approximate surface area if height and
weight be known. Arch Intern Med. 1916; 17:863-871.

Smetannikov Y, Hopkins D. Intraoperative bleeding: A mathematical model for
minimizing hemoglobin loss. Transfusion. 1996; 36: 832-835.

Hurley PJ. Red Cell and Plasma Volumes in Normal Adults. J Nuclear Med. 1975; 16:46-
52.

Values are estimates from AABB Technical Manual (1993), graph on page 766, taken
from Peck (1979) Figure 1 page 788.