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A new formula for summarising the pregnancy history
Lyndsey F Watson1, James F King
1Mother and Child Health Research, La Trobe University, Bundoora, Victoria, Australia. l.watson@latrobe.edu.au
Abstract:
Pregnancy history formulae usually provide only summaries of numbers of pregnancies and births. Different pregnancy outcomes and their sequence are not captured. A new pregnancy history formula is proposed where one number provides information on parity, gravidity, sequence, gestation and outcome of pregnancies. For instance, 914 represents the history of a woman having had three pregnancies, where '9' represents a term first birth, '1', a miscarriage and '4', a preterm perinatal death in the third pregnancy. This formula could be used in medical records or perinatal databases.
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