1. Effect of hormonal contraceptives during breastfeeding on infant's milk ingestion and growth 
Luis Bahamondes, M.D., Ph.D., M. Valeria Bahamondes, M.D., Ph.D., Waleska Modesto, M.Sc., Ian B. Tilley, M.D., Alviclér Magalhães, Ph.D., João Luiz Pinto e Silva, M.D., Ph.D., Eliana Amaral, M.D., Ph.D., Daniel R. Mishell, M.D. 
Fertility and Sterility 
Volume 100, Issue 2, Pages (August 2013)
DOI: /j.fertnstert
Copyright © 2013 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Mean D2O amount (mol/L) in the saliva of (A) the mothers and (B) the infants from postpartum day 42 to 63 according to each contraceptive method. The large arrows indicate D2O intake by the mothers, and the small arrows indicate D2O measurement in saliva of the mothers 30 minutes after intake. COC = combined oral contraceptive; implant = etonogestrel-releasing implant; IUD = intrauterine device; LNG-IUS = levonorgestrel-releasing intrauterine system. (A) No analysis performed; (B) LNG-IUS versus IUD (day 45): P=.020; COC versus IUD (day 56): P=.015.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2013 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Mean number of (A) breastfeeding episodes and (B) mean number of diaper change wet with urine from postpartum day 42 to 63 according to each contraceptive method. Abbreviations as in Figure 1. (A) COC versus IUD: P<.05 on days 48, 49, 50, 51, 52, 54, and 55; implant versus IUD: P<.05 on days 48, 49, 51, and 61. (B) COC versus IUD: P<.05 on days 42 and 46; implant versus IUD: P<.05 on days 43, 44, 45, 46, and 49.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2013 American Society for Reproductive Medicine Terms and Conditions