Our expert says:
Dear first time mum
No don't break your head about this - he may be counting from your last menstruation while you are counting from the day of possible conception - so early it is very difficult to determine the age of the baby - it is just an estimate. He would have seen if it was twins.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.