title: [Perinatal progress of children born after in vitro fertilization].
authors: R Porta
authors: RP
authors: Ribera
authors: V Molina
authors: VM
authors: Morales
authors: M Boada
authors: MB
authors: Palà
authors: V Coroleu
authors: VC
authors: Lletget
mesh_terms: D002657:Child Development; D005307:Fertilization in Vitro; D005500:Follow-Up Studies; D006801:Humans; D007231:Infant, Newborn; D020554:Sperm Injections, Intracytoplasmic; D014427:Twins