Table 1.

Data collection for all study participants.

Approximate day of study	0	14	119	169	172
	Prenatal			Postnatal
	Section I	Section II	Section III	Section IV	Section V
Approximate prenatal and postnatal timea	Week 16	Week 18–32	Week 33–40	Delivery	Day 3 - Month 6
Recruitment	x
Prescreen	x
Consent and orientation	x
Incentive1	x
Surveys	x				x
Incentive2	x
Randomize and set investigator scheduling	x
Maternal labs		x			x
Join Facebook groups		x
Intervention		x	x	x	x
Breastfeeding education (eMOMS1 only)		x	x	x	x
Glucose tolerance (standard of care)		x
Telephone calls to participant		x	x	x	x
Incentive3		x
Delivery announcement email			x
Incentive4			x
Maternal and infant measures				x	x
Incentive5					x

^aApplies to all groups (eMOMS1-3) unless otherwise noted.