<prompt> True statement regarding ectopic pregnancy:Serum progesterone 25 ngml exclude ectopicp-hCG levels should be 1000 mlUml for earliest detection by TVSp-hCG levels should be 1000 mlUml for earliest detection by TVSMethotrexate is not used for treatment  <response>: If the serum beta hcg value is 1500 IUL and an intrauterine pregnancy is not visualized in a TVS it is likely to be an ectopic .This is the level at which intrauterine gestational sac is seen and is called discriminatory zone refer pgno:159 sheila 2 nd edition 