Effect of supplementation in treatment of gestational diabetes

Effect of vitamin D plus calcium co-supplementation on pregnancy outcomes in gestational diabetes

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

IRCT

Registry ID

IRCT201407115623N23

Enrollment

Registered

2014-07-21

Start date

2014-02-04

Completion date

Unknown

Last updated

2019-10-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Gestational diabetes. Diabetes mellitus in pregnancy, unspecified

Interventions

Intervention 1: Intervention group: Vitamin D3 capsule, 50000 IU, every 3 weeks for 6 weeks orally. Intervention 2: Intervention group: Calcium tablet, 500 mg, two times a day for 6 weeks orally. Inte

Eligibility

Sex/Gender

Female

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Pregnant women aged 18-40 years; diagnosed with GDM at 24-28 weeks' gestation

Exclusion criteria

Exclusion criteria: Multiple gestation, Major fetal anomalies Current illicit drug use Continuous daily Ca and/or vitamin D intake since last menstrual period Insulin-dependent diabetes Smoking History of kidney stones

Design outcomes

Primary

Measure	Time frame
Newborn's weight. Timepoint: Delivery time. Method of measurement: Scale.	—

Secondary

Measure	Time frame
Newborn's head circumference. Timepoint: Delivery time. Method of measurement: Tape.;Ponderal index. Timepoint: Delivery time. Method of measurement: Calculation.;Polyhydramnios. Timepoint: End-of-trial. Method of measurement: Sonographic.;Newborn's length. Timepoint: Delivery time. Method of measurement: Tape.;Newborn's bilirubin. Timepoint: Delivery time. Method of measurement: Enzymatic kit.;Apgar score. Timepoint: Delivery time. Method of measurement: Clinical observation.;Newborns' hypoglycemia. Timepoint: After delivery. Method of measurement: Enzymatic kit.;Preterm delivery. Timepoint: After delivery. Method of measurement: Medical record.;Maternal pre-eclampsia. Timepoint: After delivery. Method of measurement: Medical record.;Maternal hospitalization. Timepoint: After delivery. Method of measurement: Medical record.;Newborns' hospitalization. Timepoint: After delivery. Method of measurement: Medical record.	—

Measure

Time frame

Newborn's head circumference. Timepoint: Delivery time. Method of measurement: Tape.;Ponderal index. Timepoint: Delivery time. Method of measurement: Calculation.;Polyhydramnios. Timepoint: End-of-trial. Method of measurement: Sonographic.;Newborn's length. Timepoint: Delivery time. Method of measurement: Tape.;Newborn's bilirubin. Timepoint: Delivery time. Method of measurement: Enzymatic kit.;Apgar score. Timepoint: Delivery time. Method of measurement: Clinical observation.;Newborns' hypoglycemia. Timepoint: After delivery. Method of measurement: Enzymatic kit.;Preterm delivery. Timepoint: After delivery. Method of measurement: Medical record.;Maternal pre-eclampsia. Timepoint: After delivery. Method of measurement: Medical record.;Maternal hospitalization. Timepoint: After delivery. Method of measurement: Medical record.;Newborns' hospitalization. Timepoint: After delivery. Method of measurement: Medical record.

—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactZatollah Asemi

Kashan University of Medical Sciences

asemi_r@yahoo.com+98 31 5562 0608

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026