Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
progestational is an adjective meaning "of or relating to progesterone (or to a drug with effects like those of progesterone)". It carries 2 recorded senses.
of or relating to progesterone (or to a drug with effects like those of progesterone)
preceding and favoring gestation; of or relating to physiological changes associated with ovulation and formation of the corpus luteum
Definitions, synonyms and semantic relations for progestational come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.