Hi,Thanks for your query.
if the pain is continuous it is better to do urine basic examination to rule out urinary tract infection
,and do one ultrasound
abdomen to rule out appendicitis
,(you hav pain in rt lower abdomen),And TO SEE THE WELL BEING of foetus,to rule out renal stones
if every thing is normal cosult your gynaecologist for starting t.Progesteron.