Razdalja TT po enačbi Smith et al:REFERENCA Vsi datumi zahtevajo format: dan/mesec/leto
Gestacija določena z UZ na dan je tednov + dni.
PDP glede na ZM: PDP glede na UZ: Komentar za PDP: Dopolnjenih 42 tednov na dan: Umetno sproženje poroda ni priporočljivo pred 14% tveganje za porod pred:
Normalni razpon Z skora je -1.645 do +1.645. Če imate samo dve biometrični vrednosti vnesite podrobnosti samo v stolpca 2 in/ali 3. Program je namenjen samo izobraževanju. Menimo, da so izračuni korektni vendar avtor, David J R Hutchon BSc, MB, ChB, FRCOG Consultant Obstetrician, Memorial Hospital, Darlington, England., ne prevzame nobene odgovornosti za točnost izračunov.
This Web page is at www.hutchon.freeserve.co.uk/GrowthdownSL.htm
Smith GCS, Smith MFS, McNay MB and Flemming JEE First-trimester growth and the risk of low birth weight New England Journal of Medicine 1998;339:1817-22
Kurmanavicius J, Wright EM, Royston P, Zimmermann R, Huch R, Huch A, Wisser J. Fetal ultrasound Biometry: 1. Head reference values. British Journal of Obstetrics and Gynaecology. 1999 106:126-135 Kurmanavicius J, Wright EM, Royston P, Zimmermann R, Huch R, Huch A, Wisser J. Fetal ultrasound Biometry: 2. Abdomen and femur length reference values. British Journal of Obstetrics and Gynaecology. 1999 106:136-143
Moore T R and Cayle J E. The amniotic fluid index in normal human pregnancy. American Journal of Obstetrics and Gynecology 1990;162:1168-73 Cuckle H S, & Schmi I Calculating correct Down's syndrome risks. British Journal of Obstetrics and Gynaecology 1999;106:371-372 Wald N J,Watt H C, & Hackshaw A K. Integrated screening for Down's Syndrome based on tests performed during the first and second trimester The New England Journal of Medicine 1999;341(7):461-467 Zosmer N, Souter V L, Chan C S Y, Huggon I C and Nicolaides K H. Early diagnosis of major cardiac defects in chromosomally normal fetuses with increased nuchal translucency. Brtish Journal of Obstetrics and Gynaecology 1999;106:829-833 Morrison J J, Rennie J M, & Milton P J. Neonatal respiratory morbitiy and mode of delivery at term: influence of timing of elective caesarean section. British Jouranl of Obstetrics and Gynaecology 1995 102 101-106 Madar J, Richmond S & Hey E. surfactant deficient respiratory distress after elective delivery at 'term'. Northern Region Maternity Survey Meeting 1999. Accepted for publication in Acta Paediatrica
COMMENTS: Izpis poročila je možen z izborom "PRINT" po vnosu podatkov in izračunu tveganja.
IZRAČUN OD STAROSTI ODVISNEGA TVEGANJA ZA DOWNOV SINDROM Tveganje predvideva odsotnost predhodne nosečnosti z Downovim sindromom. Downov sindrom v predhodni nosečnosti zviša tveganje za ponovni Downov sindrom za 1:200 pri 30 letih in na cca 1:25 pri 45 letih, kar je potrebno prišteti osnovnemu tveganju!