ESV: So David sent messengers and took her, and she came to him, and he lay with her. (Now she had been purifying herself from her uncleanness.) Then she returned to her house.
NIV: Then David sent messengers to get her. She came to him, and he slept with her. (Now she was purifying herself from her monthly uncleanness.) Then she went back home.
NASB: Then David sent messengers and had her brought, and when she came to him, he slept with her; and when she had purified herself from her uncleanness, she returned to her house.
CSB: David sent messengers to get her, and when she came to him, he slept with her. Now she had just been purifying herself from her uncleanness. Afterward, she returned home.
NLT: Then David sent messengers to get her; and when she came to the palace, he slept with her. She had just completed the purification rites after having her menstrual period. Then she returned home.
KJV: And David sent messengers, and took her; and she came in unto him, and he lay with her; for she was purified from her uncleanness: and she returned unto her house.
NKJV: Then David sent messengers, and took her; and she came to him, and he lay with her, for she was cleansed from her impurity; and she returned to her house.