A 22 year old women has her antenatal booking in bloods taken.
Her FBC shows
Hb 10.2 g/dl
MCV 71 fL (77-95fL)
MCH 22 pg (26-33 pg)
MCHC 33 g/dl (31-36g/dl)
RDW 12.5% (11.5-14.5%)
What features may be present on her blood film?
Following these results what further assessment/investigation should be carried out?