; and (2) prohibit participation by any prisoner who has been convicted of a crime of violence (as defined in section 16 of title 18, United States Code). 4. Prenatal pilot program (a) Authorization The Director of the Bureau of Prisons shall carry out a pilot program in which provides prenatal care to groups of not more than 12 pregnant female prisoners (as such term is defined in section 3) in accordance with this section. (b) Meeting The groups of prisoners described in subsection (a) shall meet not less than 10 times during pregnancy and the early postpartum period. Each such meeting shall be for a period of not less than 90 minutes and not more than 120 minutes, and shall be led by a facilitator appointed by the Director, who shall facilitate discussions among the participants, and provide the services described in subsection (c). (c) Comprehensive approach to prenatal care The pilot program under this section shall integrate health, physical assessment, education, childcare skills, and other appropriate support. (d) Facilitator requirements Each facilitator appointed by the Director under subsection (b) shall have experience providing a comprehensive approach to prenatal care in a group setting, and shall be a physician or nurse practitioner licensed or certified to provide services in the field of obstetrics and gynecology. 5. Authorization of appropriations There is authorized to be appropriated to carry out sections 3 and 4, and, in addition to amounts otherwise made available, section 4050 of title 18, United States Code, $10,000,000 for each of fiscal years 2019 through 2023.