Lbs. and ozs., e.g.

• Scale amts.
• Pounds, e.g. (abbr.)
• Oz. and kg.
• Growth chart figs
• Oz. and lb.
• Newborn stats: Abbr.
• Birth data: Abbr.
• Lbs. et al
• Kg and lb., for two

Wikipedia Word definitions in Wikipedia
WTS is an acronym for: