[Twin pregnancy. Its incidence].
The authors evaluate changes in the incidence and proportion of the life births by plurality in Mothernal Hospital in Sofia between 1991-1995 and compare it with the incidence of multiple births in other countries in the world. The influence of some factors on the incidence of multiple pregnancy are discussed.
Chernev
T
T
Rakhab
M A
MA
Ruseva
R K
RK
Karag'ozova
Zh
Zh
D002031:Bulgaria / Q000453:epidemiology; D005260:Female; D006801:Humans; D015994:Incidence; D007231:Infant, Newborn; D011247:Pregnancy; D011272:Pregnancy, Multiple / Q000706:statistics & numerical data*; D012189:Retrospective Studies; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic
Dvuplodna bremennost. Chestota.