Cost effectiveness of different screening strategies for gestational diabetes mellitus screening: study protocol of a randomized community non-inferiority trial

Table 2 Outlines of periodic assessments of study participants

	Method or sample used	> 14 week	14–19 week	20–23 week	24–30 week	31–34 week	35–37 week	38 week	39 week	40 week	Birth	28 days after birth
Maternal^a,b
Past medical, reproductive and obstetrics history
Weight	Calibrated scale	^a	^a	^a	^a	^a	^a	^a	^a	^a
Height	Stadiometer	^a
Blood pressure (systolic, diastolic)	Calibrated mercury sphygmomanometer	^a	^a	^a	^a	^a	^a	^a	^a	^a
Fundal height	Measuring tape		^a	^a	^a	^a	^a	^a	^a	^a
Fetal heart rate			^a	^a	^a	^a	^a	^a	^a	^a
Fetal ultrasound		^a			^a		^a
FPG	Venous sample	^a
OGTT-75 g or GCT following OGTT-100 g	Venous sample				^a
Quality of life	Questionnaire		^a	^a	^a	^a		^a
Drug adherence	Questionnaire		^a	^a	^a	^a		^a
GDM treatment satisfaction	Questionnaire		^a	^a	^a	^a		^a
Cost-effectiveness	Questionnaire		^a	^a	^a	^a		^a			^a
Feto-maternal outcomes^c											^a
Neonatal^a,b
C-peptide	Cord sample										^a
Weight	Calibrated baby scale										^a
Recumbent length	Infantometer										^a
Head circumference	Measuring tape										^a
Blood glucose^e	Heel-stick sample										^a
Neonatal outcomes^d											^a	^a

^aData collected from routine and expert scans that occur during the time points
^bIf GDM or other complication were diagnosed, subsequent additional visits, measurements and standard treatment were performed
^cFeto-maternal outcomes continuously recoded include abortion, gestational hypertension, pre-eclampsia/eclampsia, preterm birth, instrumental delivery, primary cesarean section, polyhydramnios, oligohydramnios, premature rupture of membrane, placenta Previa, placenta abruption, postpartum hemorrhage, wound and incision infection
^dNeonatal outcomes include shoulder dystocia, intrauterine growth restriction, macrosomia, Apgar score, neonatal hypoglycemia, neonatal hypocalcemia, neonatal hyperbilirubinemia, polycythemia, neonatal intensive care unit admission, neonatal care unit admission, Respiratory distress syndrome, congenital anomaly, neonatal asphyxia, intrauterine fetal death, perinatal death, Erb–Duchenne palsy, birth trauma, neonatal sepsis
^eMeasured for high risk groups

ISSN: 1758-5996