Supplementing with formula while using Errin

By Grecia from Versailles, Ky on September 14, 2006
Category: Errin (Oral)


 I heard that breastfeeding helps as a birth control method. I started out only breastfeeding for the first three months but now I am starting to supplement with formula. Does this have any effect on the effectiveness of the Errin tablet or should i switch to a pill with Estrogen? Any information will be helpful. Thanks!


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