1
general::
Phrase(s): check up (on someone or something)
to determine the state of someone or something. • Please don’t check up on me. I can be trusted. • I see no need to check up.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
noun ADJ. thorough | regular | annual, monthly, etc. | routine | dental, health, medical VERB + CHECK-UP go for, have At your age, you should have regular check-ups. | do, give (sb) The company doctor does check-ups on Wednesdays.
Oxford Collocations Dictionary