Sentence examples for breastfeeding were obtained from inspiring English sources

Estimates of ART adherence and the probability of mother-to-child transmission during pregnancy, delivery, or while breastfeeding were obtained from annual reports issued by the Ghana Health Service (Table  3) [ 7, 12].

An additional limitation is that estimates of duration of breastfeeding were obtained retrospectively from interviews conducted at 3 7 months and 7 12 months postpartum, and so mothers may not have reported breastfeeding duration accurately.

At the end of follow-up, children were no longer at risk for HIV infection when they were either HIV-1 infected or uninfected while complete cessation of breastfeeding was obtained for at least two months.

The third index of breastfeeding was obtained from the neonatal medical record.

Information on pesticide exposures 3 months before pregnancy, throughout pregnancy, and during breastfeeding was obtained.

Information on breastfeeding was obtained by a combination of questionnaires administered at 2, 6 and 12 months after birth.

Information on the duration of pure breastfeeding was obtained using retrospective questionnaires by the parents based on their memory, and thus the results are prone to recall bias and the habit data could not be validated.

Data for the current analysis of breastfeeding behaviors were obtained from a broader study that addressed a number of child health issues, including breastfeeding, but that had a primary focus on infant immunizations.

Pregnancy and breastfeeding histories were obtained from in-person interviews.

A second limitation was the concurrent assessment of all parent-rated study variables, including the retrospective report of mothers' breastfeeding (although similar results were obtained when using reports of breastfeeding from the neonatal medical record).

The exceptions were the breastfeeding and maternal smoking variables, which were obtained by record linkage to the mother's questionnaire, and so these analyses were restricted to women whose mothers were also study members (N=9278).