IPA: /ɡræˈvɪdəti/
KK: /grævˈɪdəti/
The condition of being pregnant; the state of carrying a developing fetus in the womb.
Her gravidity was confirmed by the doctor during the check-up.
Gravidity is formed from "gravidus" (meaning heavy or pregnant) and the suffix "-ity" (meaning the state or condition of). The word refers to the state of being pregnant or the condition of carrying a developing fetus.
Think of 'heavy' ('gravidus') to remember that 'gravidity' refers to the state of being pregnant, which is a condition of carrying a developing baby.