Advantage of calcium supplement in normal pregnant women

Status

Recruiting

Phases

Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20130000004

Enrollment

1008

Registered

2013-02-05

Start date

2013-02-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

&#45

Interventions

Calcium supplement 2 g per day,

Experimental Drug,No Intervention No treatment

Calcium,control

Eligibility

Sex/Gender

Female

Age

18 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1 pregnant women aged more than 18 years old 2 regular attends ANC 3 Deliver at Chulalongkorn Memorial Hospital

Exclusion criteria

Exclusion criteria: 3.1 Hypercalcemic status: a) Abnormal parathyroid gland function b) Malignancy c) Vitamin-D metabolic disorders d) Disorders related to high bone-turnover rates e) Renal failure f) Other causes 3.2 Hypocalcemic status a) Parathyroid hormone [PTH] deficiency or malfunction b) Vitamin D deficiency c) Hypermagnesemia d) Hypomagnesaemia. 4. Pregnancy with chronic hypertension 5. Malnutrition 6. receive calcium from other sources 7. Unable to attend ANC routinely 8. Deliver at other hospitals

Design outcomes

Primary

Measure	Time frame
Preeclampsia at delivery incidence	—

Secondary

Measure	Time frame
low birth weight at delivery incidence	—

Contacts

Public ContactShina Oranratanaphan

Chulalongkorn University

dr_shina@hotmail.com022564241

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026