Evaluation of a Theory- based educational intervention to change air pollution exposure behaviors among pregnant women

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT2012091010804N1

Enrollment

104

Registered

2012-10-25

Start date

2012-03-19

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

behavioral intervention for pregnant women. Other obstetric conditions, not elsewhere classified, Maternal care related to the fetus and amniotic cavity and possible delivery problems

Interventions

Intervention 1: The intervention consisted of three components: one- session motivational interviewing, a pamphlet and daily Short Message Service (SMS). Intervention 2: Control group will receive ro

Behavior

The intervention consisted of three components: one- session motivational interviewing, a pamphlet and daily Short Message Service (SMS).

Control group will receive routine prenatal care.

Eligibility

Sex/Gender

Female

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Main inclusion criteria: singleton pregnancy? maternal age age between 18-35 years old? gestational age less than 36 weeks? uncomplicated pregnancy Main exclusion criteria:complicated pregnancy (Preeclampsia? gestational hypertension? gestational diabetes? preterm labor? bleeding)

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
TTM constructs( including: perceived benefits and barriers, stage of change and self-efficacy). Timepoint: 1 month. Method of measurement: questionnaire.	—

Secondary

Measure	Time frame
None. Timepoint: none. Method of measurement: none.	—

Countries

Iran (Islamic Republic of)

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 27, 2026