In a study of first - time mothers that assessed concerns with breastfeeding at several time points during the first 2 months of life, these problems were most pronounced at 3 and 7 days postpartum (16), which is after most women have left the hospital, but before they might be connected to other types of community support. (cdc.gov)
To monitor such changes, they isolated DNA at several time points during the replication and repair process, and quantified the bound proteins using mass spectrometry based proteomics. (sciencedaily.com)
The hormone cortisol, which is released during times of stress, was measured in participants» saliva at several time points before and after the conflict discussion. (scienceofrelationships.com)