Orthodox women more recently began holding organized women's "tefila" (prayer) groups beginning in the 1970s. While all Orthodox legal authorities agree that women are prohibited from forming a "minyan" (prayer quorum) for the purpose of regular services, women in these groups have read the prayers and study Torah. A number of leaders from all segments of Orthodox Judaism have commented on this issue, but it has had a little, although growing, impact on Haredi and Sephardi Judaism. However, the emergence of this phenomenon has enmeshed Modern Orthodox Judaism in a debate which still continues today. There are three schools of thought on this issue: