From the 9742 eligible births among adolescents, women with multiple births, >1 previous pregnancies, or a previous spontaneous miscarriage were deleted and 8857 women <19 years remained.
The results also showed that other risk factors for severe maternal morbidity include non-white ethnicity, older maternal age (≥35 years), BMI ≥25 kg/m, pre-existing medical condition/s, multiple pregnancy or previous pregnancy complications.
After exclusion of multiple births (n = 130), ≥ 2 previous pregnancies (n = 237) and a previous spontaneous miscarriage (as a proxy for a potential genetic disorder) (n = 377), 8857 young women remained.
From the MBRN records all 116 810 women who gave birth (or had abortion after the 16th gestation week) in 1996 7 in Norway (N = 121 400) were identified with information about exact date of birth, duration of the pregnancy, details about pregnancy outcome, multiple offspring, birth weight, and information on previous pregnancies.
ARTC women were older than SC women, and were more likely to have been born in Australia, have private health insurance, have had previous pregnancies, to be expecting multiples, and to be "very pleased" about the current pregnancy.
"They brought us dinner for an entire year!" There are many factors that lead to multiple pregnancy, including a family history of twins, falling pregnant over the age of thirty, or having previous pregnancies.
In a multiple regression analysis, the passive abduction angle of the left fourth finger in early pregnancy and the number of previous pregnancies were positively, significantly and independently associated to the incidence of back pain in late pregnancy and postpartum.
How many previous pregnancies?
Of the 176 participants who reported previous pregnancies, 64.8% said they drank alcohol during a previous pregnancy and 51.1% met criteria for hazardous drinking during that pregnancy.
