Thanks for query and welcome to HCM.,
Extra hair present in the foetus called LANUGO.....Hairs..
About 34 to 36 weeks of gestational age
, it is shed and replaced by ...
VELLUS Hairs...Some times Lanug hairs persists on the skin..
After birth and few years after birth...it indicates...1) Premature birth
2) Remnant of our Ancestry..,
So don't worry about this wait for some more years(upto 6 Yrs)..,
Even if persists then think of...ok.be cool and wait ..thanks..,