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A randomised controlled trial to compare conception rates for preconceptional folic acid 400 mg daily versus Pregnacare Plus in assisted conception

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN23488518
Enrollment
140
Registered
2007-07-10
Start date
2007-11-01
Completion date
Unknown
Last updated
2015-01-13

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

Conditions

Female infertility Pregnancy and Childbirth Infertility

Interventions

Randomised controlled trial of folic acid (400 mcg) versus Pregnacare Plus (contains folic acid 400 mcg and 17 other micronutrients) given for 10 weeks prior to assisted conception and follow-up to 20

Sponsors

The Royal Surrey County Hospital NHS Trust (UK)
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. Sub-fertile subjects scheduled for In Vitro Fertilisation (IVF) or Intra-Uterine Insemination (IUI) 2. Aged less than 35 years 3. Infertility lasting for greater than six months

Exclusion criteria

Exclusion criteria: 1. Aged greater than 35 years 2. General medical conditions that make a patient unsuitable for assisted conception (i.e. morbid obesity) 3. Women whose understanding of English is insufficient to consent to participation

Design outcomes

Primary

MeasureTime frame
Survival of assisted conception pregnancy to 20 weeks, or failure to conceive and failure of pregnancy to survive to 20 weeks.

Secondary

MeasureTime frame
1. Length of pregnancy 2. Birth weight (expressed as percentile birth weight in relation to length of pregnancy) 3. Abdominal circumference 4. Head circumference

Countries

United Kingdom

Outcome results

None listed

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