Hellin law

Hel·lin law

(hel'in),
twins occur once in 89 births, triplets once in 892, and quadruplets once in 893. If the frequency of twins in a population is p, the frequency of triplets is p2, and the frequency of quadruplets is p3.

Hel·lin law

(hel'in law)
Twins occur once in 89 births, triplets once in 892, and quadruplets once in 893. If the frequency of twins in a population is p, the frequency of triplets is p2, and the frequency of quadruplets is p3.

Hellin law

(hel′in)
[Dyonizy Hellin, Polish pathologist, 1867–1935]
A law stating that twins occur once in 80 pregnancies, triplets once in 6400 (802) pregnancies, quadruplets once in 512,000 (803) pregnancies.

Hellin,

Dyonizy, Polish pathologist, 1867-1935.
Hellin law - law expressing the frequencies of twins and triplets.