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Rate of diagnosis of miscarriage/ectopic pregnancy
 Definition:
 Number of miscarriages/ectopic pregnancies
accurately diagnosed at first scan
 Why is it a good indicator?
 Reproducible outcome measure
BUT
 Dependent on clinical protocols/service accessibility  Natural history of early pregnancy
Negative laparoscopy rate
 Definition:
 Laparoscopy for suspected extra-uterine pregnancy
which does not reveal signs of ectopic gestation
 Why is it a good indicator?
 Quality of out-patient assessment
BUT
 Partially dependent on clinical protocols and operator skill (bhCG>1500 trigger for laparoscopy, 45-50% negative laparoscopy rate)
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