"The Messenger of Allah was asked about prostatic fluid and he said: 'For that ablution (is necessary), and for semen, bath is necessary.'"
Sunan Ibn Majah Book 1, Hadith 238
← Previous Hadith "The Messenger of Allah would perform ablution, then he would kiss, then he would perform prayer without performing ablution again. And sometimes he did that with me."

Sunan Ibn Majah Book 1, Hadith 237 Next Hadith → He asked the Prophet about a man who approached his wife, but did not ejaculate. He said: "If anyone of you finds that, he should sprinkle water over his private part (meaning he must wash it) and perform ablution."

Sunan Ibn Majah Book 1, Hadith 239