All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad, sallallaahu 'alyhi wa sallam, is His slave and Messenger.

 Shaykh Ibn 'Uthaymeen said: "It is permissible if it is necessary but the woman should spit out what she has tasted."

Allaah Knows best. (Source: islam_web) Classified in Siyaam (Fasting) > Matters That Do not Invalidate Saum