Luke 1:41
And it came to pass, that, when Elisabeth heard the salutation of Mary, the babe leaped in her womb; and Elisabeth was filled with the Holy Ghost:
Cross-reference
Luke 1:15
Prophetic fulfillment
Luke 1:15 promised John would be filled with the Spirit from the womb; here that promise is fulfilled as Elizabeth is filled and John leaps.
Luke 1:44
Parallel
Luke 1:44 is Elizabeth's explanation of the same event: her baby leaped in joy at Mary's greeting, echoing the leaping in verse 41.
Luke 1:67
Parallel
Luke 1:67 shows Zechariah also being filled with the Holy Spirit—a parallel experience of Spirit-filling in the same chapter.