一いっヶか月げつ検けん診しん

noun

1-month checkup (for a baby)

Refers to the routine health examination for an infant about one month after birth, typically conducted at a pediatric clinic or hospital.

• 来らい週しゅう、赤あかちゃんの一いっヶか月げつ検けん診しんに行いきます。

  Next week I'm taking the baby for the one-month checkup.