1 mg norethindrone, mestranol 80 mg. (like 50 mic EE)

Infants weighed from 1 wks to 5 wks before and after one AM feeding. Formula and cereal “allowed for supplementation”.
Other problems: In group 1, 88% primips with no previous successful nursing as opposed to placebo where 30% had nursed before.

Problems: Limited details about trial, indicates blinding but not how it was done, no allocation concealment mentioned. No sample size calc, no numerical results or graphs. Outcomes not quantified.