Last week UTZ vs. After 1 week UTZ

Hi po. Ask kolg po, bakit nung last week utz ko mas mataas yung mga measurements ni baby, vs ngayun na measuremnts ko mas lumiit . last utz ko 32 weeks, ngayun naging 30 weeks and 4_ days. Impression ng sonologist ko growth retardation. Pero every measurments tig 1 lg naman yung kina iba sa last week utz ko. Nagpa check kasi kami ng nuchal cord nya if meron pa. slaamat naman at nkuha na. pero yan nanaman yung impression ni doc. sana may mkasagot po! #pleasehelp #advicepls #firsttimemom