Kumar 2014.

Trial name or title	Estimation of oxidative stress in pregnant women on daily versus weekly iron supplementation (an ICMR task force study).
Methods	Randomised, parallel group trial.
Participants	650 non‐anaemic (Hb above 110 g/L) healthy primiparous women 20‐30 years of age with 14‐16 weeks of gestation, from middle socio‐economic income group attending antenatal care at Human Reproductive Research Centre, Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences in New Delhi, India. Women with history of chronic diseases or who reported taking any iron supplements at the time of enrolment will be excluded.
Interventions	Participants will be randomly assigned to 1 of 2 groups: group 1 will receive a daily dose of 100 mg elemental iron folic acid tablet starting from 13‐16 weeks of gestation until 6 weeks postpartum as per recommendation of National Anaemia Control Programme; group 2: will receive 200 mg elemental iron and folic acid tablet once weekly dose from recruitment until 6 weeks postpartum.
Outcomes	Primary: oxidative stress status in plasma at baseline (14‐16 weeks of gestation), thirst trimester and 6 weeks postpartum. Secondary: birth outcomes, but not specified in the registry form.
Starting date	30/03/2009
Contact information	Dr Neeta Kumar Scientist, Division of Human and Reproductive Health Centre, Indian Council of Medical Research (ICMR), All India Institute of Medical Sciences, New Delhi, DELHI 110029, India Tel: +9313195247 Email: neeta@icmr.org.in
Notes	Sponsor: Indian Council of Medical Research, New Delhi, India. Trial registered retrospectively.