what are the symptoms of ectopic pregnancy at 4 weeks?
['Pain on one side of the lower tummy (abdomen). ... ', 'Vaginal bleeding often occurs but not always. ... ', 'Other symptoms may occur such as diarrhoea, feeling faint, or pain on passing poo (faeces).', 'Shoulder-tip pain may develop. ... ', 'You may feel dizzy or faint.']