The vitamin D deficiency in pregnancy: prevalence and treatments

Vitamin D Status and Response to Vitamin D3 (50000 unit supplementation) in pregnant Iranian woman

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20170714035077N3

Enrollment

357

Registered

2018-01-29

Start date

2017-03-19

Completion date

Unknown

Last updated

2018-02-22

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

Conditions

vitamin D deficiency.

Interventions

vitamin D3 supplement of 50,000 IU of ergocalciferol was prescribed weekly for 10 weeks.

Treatment - Drugs

vitamin D3 supplement of 50,000 IU of ergocalciferol was prescribed weekly for 10 weeks

Eligibility

Sex/Gender

Female

Age

16 Years to 50 Years

Inclusion criteria

Inclusion criteria: Maternal age of 16 years or greater at the time of consent Confirmed singleton pregnancy of less than 16 weeks’ gestation at the time of consent Planned to receive ongoing prenatal care in our prenatal clinic in Tehran They had at least two measurements of vitamin D levels in the first or second trimesters and in the third trimester

Exclusion criteria

Exclusion criteria: Twin pregnancy Maternal immune deficiency disease A history of gastric bypass surgery

Design outcomes

Primary

Measure	Time frame
Level of vitamin D. Timepoint: After 24 weeks. Method of measurement: Level in blood sample.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactTahmine Ezazi Bojnordi

Tehran University of Medical Sciences

ezazi.t@nkums.ac.ir+98 22172614

Outcome results

None listed

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