3. Materials and Methods
This was a prospective observational study conducted at the
Department of Obstetrics and Gynaecology, Kasturba Medical
College, Manipal, from January 2012 to December 2012.
Institutional ethical committee approval was obtained prior
to study. Inclusion criteria were low risk singleton pregnancy,
starting gestational age of 34 weeks, reliable last menstrual
period and dates correlated and confirmed by comparison
with first trimester CRL (Crown Rump Length). Once initial
criteria were met, those who were subsequently diagnosed to
have abnormalities of liquor volume due to conditions such
as hypertensive disorders, gestational diabetes, and placental
insufficiency were excluded from the study, so as to obtain
normative data. Only those patients who delivered at 40
weeks were included in the study as we wanted longitudinal
data till term. The final study subjects were 50 low risk pregnant
women who underwent serial scans at weekly interval
starting from 34 weeks till term.
3. Materials and MethodsThis was a prospective observational study conducted at theDepartment of Obstetrics and Gynaecology, Kasturba MedicalCollege, Manipal, from January 2012 to December 2012.Institutional ethical committee approval was obtained priorto study. Inclusion criteria were low risk singleton pregnancy,starting gestational age of 34 weeks, reliable last menstrualperiod and dates correlated and confirmed by comparisonwith first trimester CRL (Crown Rump Length). Once initialcriteria were met, those who were subsequently diagnosed tohave abnormalities of liquor volume due to conditions suchas hypertensive disorders, gestational diabetes, and placentalinsufficiency were excluded from the study, so as to obtainnormative data. Only those patients who delivered at 40weeks were included in the study as we wanted longitudinaldata till term. The final study subjects were 50 low risk pregnantwomen who underwent serial scans at weekly intervalstarting from 34 weeks till term.
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