Theoretically, it is possible that diphenhydramine could affect a woman's milk supply, since the medication can suppress prolactin (a hormone important for breast milk production). However, this is probably not an issue for women who are well-established with breastfeeding.
PRO is a strategic communications firm helping high profile individuals, professional teams, national governing bodies, corporations and non-profits within the sports industry build their brands through the media.
Pros and Cons can refer to either opposing sides in a debate (those arguing in favour of = pro and those arguing against = con what is termed the resolution) or, in a similar vein, the advantages and disadvantages of a proposition.