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.