MAVIDOS Maternal Vitamin D Osteoporosis Study: study protocol for a randomized controlled trial. The MAVIDOS Study Group

Table 1 Summary of trial events

	12 weeks	14 weeks	34 weeks	Delivery	0-14 days
Screening	√
Consent	√
Maternal height		√	√
Maternal weight		√	√
Maternal skin folds		√	√
Maternal grip strength		√	√
Maternal medication		√	√
Maternal supplements		√	√
Maternal diet		√	√
Maternal health		√	√
Family health	√	√	√
Ultrasound scan	√		√
Maternal blood for 25(OH)-vitamin D, Ca, Alb, bALP, DBP Blood pellet	√	√	√
Maternal urine sample for bone markers		√	√
Umbilical venous blood and Placental tissue				√
Infant urine sample				√
Infant length				√
Infant weight				√
Infant skinfolds				√
Infant DXA					√

ISSN: 1745-6215