heavy green phemly cough and worried about growth scan this friday

[charmed]

Hiya ladies Im feeling sorry for my self, ive got a horrible heavy cold with thick green gunk that keep coughing out! attactive!!!!! lol
Cant seem to shift it im not sneezing any more and just when cough or blow nose keep being the stuff up which is good just now all bunged up, hurtin bump and back and RED NOSE!!! at me

Also got our 8week follow up grwoth scan do to HC being in 5th centile this friday, bump was measuring 2 weeks ahead at midwife last week and very active so hoping a good sign just scared and worried be told something wrong. we were told small at 20wek and went back at 22ish weeks and head was week or so behind but growin along the centile line so didnt want to do any more tests etc and he was happy say just be small from inherdiery thing, but do growth follow up in 8 weeks, which is now this friday.
Got appt with hosiptal midwife after so dont know what to expect and just want everything be ok as when left after follow up last time was so happy grown ok and now brough everything etc etc and feels real, hate now go and be told a huge problem and may not be a mum x