Some theologically-buttressed arguments reject the moral validity of this practice, such as Pope John XXIII. However, according to a document of the USCCB, the intrauterine insemination (IUI) of “licitly obtained” (normal intercourse with a silastic sheath i.e. a perforated condom) but technologically prepared semen sample (washed, etc.) has been neither approved nor disapproved by Church authority and its moral validity remains under discussion.U.S. Conference of Catholic Bishops (USCCB) (2020). «Reproductive Technology (Evaluation & Treatment of Infertility): Guidelines for Catholic Couples». www.usccb.org.
