Center, the Director of the Bureau of Prisons shall provide to the woman a mode of transportation that has been approved by the woman’s health care professional, at no expense to the woman. (4) Monitoring In the case that an incarcerated pregnant woman transferred to alternative housing pursuant to this section is monitored electronically, an ankle monitor may not be used on the woman, unless there is no feasible alternative for monitoring the woman. (5) Service of sentence Any time accrued at a Residential Reentry Center or alternative housing as a result of a transfer made pursuant to this section shall be credited toward service of the incarcerated pregnant woman’s sentence. (6) Credit for pretrial custody In the case of an incarcerated pregnant woman, any time accrued in pretrial custody shall be credited toward service of the woman’s sentence. (c) Definitions In this section: (1) Family member The term family member means any individual related by blood or affinity whose close association with the incarcerated pregnant woman is the equivalent of a family relationship, including a parent, sibling, child, or individual standing in loco parentis. (2) Residential Reentry Center The term Residential Reentry Center means a Bureau of Prisons contracted residential reentry center. (3) Health care professional (A) In general The term health care professional means— (i) a doctor of medicine or osteopathy who is authorized to practice medicine or surgery by the State in which the doctor practices