Rationalizing the management of pregnancies of unknown location: temporal and external validation of a risk prediction model on 1962 pregnancies

STUDY QUESTION Can we accurately define a group of pregnancies of unknown location (PULs) as low risk in order to safely reduce follow-up for these pregnancies and allocate resources to pregnancies at an increased risk of being ectopic? SUMMARY ANSWER Prediction model M4 classified around 70% of PUL...

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Veröffentlicht in:	Human reproduction (Oxford) 2013-03, Vol.28 (3), p.609-616
Hauptverfasser:	Van Calster, B., Abdallah, Y., Guha, S., Kirk, E., Van Hoorde, K., Condous, G., Preisler, J., Hoo, W., Stalder, C., Bottomley, C., Timmerman, D., Bourne, T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Chorionic Gonadotropin - blood Embryo Loss - etiology Embryo Loss - prevention & control False Positive Reactions Female Hospitals, Teaching Hospitals, Urban Humans London Models, Biological Pregnancy Pregnancy Complications - etiology Pregnancy Complications - prevention & control Pregnancy, Ectopic - blood Pregnancy, Ectopic - diagnosis Pregnancy, Ectopic - epidemiology Pregnancy, Ectopic - physiopathology Prognosis Prospective Studies Retrospective Studies Risk Sensitivity and Specificity Young Adult
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