synÂ·theÂ·size (sÄ­nâ²thÄ­-sÄ«zâ²) v. synÂ·theÂ·sized, synÂ·theÂ·sizÂ·ing, synÂ·theÂ·sizÂ·es v.tr. 1. To combine so as to form a new, complex product: His works synthesize photography, painting and linguistic devices (Paul Taylor). 2. To form or produce by chemical synthesis. 3. To produce (sound or music) by means of a synthesizer. v.intr. To form a synthesis.
The causes of preterm labor and premature birth are numerous, complex, and only partly understood. Medical, psychosocial, and biological factors may all play a role in preterm labor and birth. There are three main situations in which preterm labor and premature birth may occur: Spontaneous preterm labor and birth.
Premature rupture of membranes (PROM) and preterm labor are challenging obstetric complications for any emergency physician. In the United States, preterm delivery complicates approximately one in ten births and is the cause of at least 75% of neonatal deaths, not including congenital malformations.