[Labor in 481 primiparas over 25 years old].
D000328:Adult; D000367:Age Factors; D003105:Colombia; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008875:Middle Aged; D007744:Obstetric Labor Complications / Q000453:epidemiology*; D011247:Pregnancy
Parto en 481 primparas por encima de 25 anos.