Words similar to month-old

Example sentences for: month-old

How can you use “month-old” in a sentence? Here are some example sentences to help you improve your vocabulary:

Time has sidebars on the McCaughey septuplets' forgotten older sister (22-month-old Mikayla), the horrors of multiple births gone wrong, and adoption as an alternative to fertility drugs.
Last March, surgeons operated in vivo on a 6-month-old fetus suffering from excessive water in his brain.
All 3-month-old infants were breastfed, as were 93% of the infants aged 6 months and 87% of those aged one year.
However, from my own experience, a newborn becomes a 12-month-old and then an 18-month-old rather quickly.
Eleven 3-month-old Sprague-Dawley rats underwent emphysema induction by a single intratracheal instillation of porcine pancreatic elastase (ICN Biochemicals, Cleveland, Ohio) at 25 units per 100 g body weight, diluted in 0.60 ml of normal saline as described previously [ 4 ] . Two animals died on the night after instillation, with evidence at autopsy the following day of diffuse pulmonary hemorrhage.