Fetal growth, birth weight specific mortality rates and effect of sick leave or hospitalization on
the fetal growth were investigated in a material of 476 twin pregnancies managed at …

A survey of factors associated with perinatal mortality in 511 twins and fetal growth
retardation and its reversal in 262 twins is presented. The incidence of stillbirth was almost …

A study was made of 1655 sets of twins born between 1931 and 1975 in two clinical centres.
Compared to singletons, twins were born three weeks earlier, weighed less at birth from 33 …

The study is based on two birth cohorts from the years 1966 and 1985–1986. Perinatal
mortality of twins has fallen over 20 years from 9.2% to 3.1%. Improvement is particularly …

The birthweights and placental weights of 3000 singletons, 1500 twin pairs and 67 triplets
are studied in relation to the gestational age. From 30-32 weeks onwards, newborns of twin …

Report on the perinatal mortality of 258 twin pregnancies at the department of obstetrics and
gynecology of the University of Zürich, Switzerland from 1966 to 1976. The perinatal …

A case control study on peri-neonatal mortality and morbidity rates in 154 twin pregnancies
has been performed. The mortality rates along with main neonatal morbidity factors were …

It is known that perinatal death is several times more frequent in twins than in single-born
infants and that the delivery of low birth weight (LBW) infants appears to be the major factor …

The impact of birth by caesarean section on perinatal mortality was estimated for 9368 low‐
birthweight twins (< 2500 g) born in Sweden between 1973 and 1985, by using national …

The perinatal and infant mortality in the sample of all children born in the South Moravian
Region of Czechoslovakia in the years 1970--1976 was studied. The total number of births …