Chii chinorehwa nevacheche vasati vasvika?

vana  Vana vasati vasvika zvinoreva vacheche vanozvarwa mavhiki matatu zuva rinotarisirwa rekuzvarwa risati rasvika, kuberekwa kwavo kusati kwatanga vhiki yeXNUMX yekuzvitakura, uye kazhinji vana ava vanotambura nezvinetso zvehutano nezvehutano zvinoda kutarisirwa kwakanyanya, asi njodzi yeizvi. matambudziko anowedzera uye matambudziko anokura mukutanga kusununguka.
Vana vasati vasvika vanoiswa mumapoka maererano nezuva rekuzvarwa sezvinotevera:
XNUMX- Kunonoka prematurity: Iri pakati peXNUMXth uye XNUMXth vhiki yekuzvitakura.
XNUMX- Mwero prematurity: Iri pakati pemasvondo makumi matatu nemaviri kusvika makumi matatu nemana epamuviri.

XNUMX- Early prematurity: kuberekwa kunoitika kusati kwatanga kweXNUMXnd vhiki yekuzvitakura.
XNUMX- Kunyanya kwekutanga prematurity: kuzvara kusati kwasvika vhiki yemakumi maviri neshanu yekuzvitakura.