(B)

1. (1) It is an affirmative defense to a charge under division (A) of this section that the abortion was purposely performed or induced or purposely attempted to be performed or induced by a physician and that the physician determined, in the physician's reasonable medical judgment, based on the facts known to the physician at that time, that either of the following applied:

   1. (a) The probable post-fertilization age of the unborn child was less than twenty weeks.
   2. (b) The abortion was necessary to prevent the death of the pregnant woman or a serious risk of the substantial and irreversible impairment of a major bodily function of the pregnant woman.
2. (2) No abortion shall be considered necessary under division (B)(1)(b) of this section on the basis of a claim or diagnosis that the pregnant woman will engage in conduct that would result in the pregnant woman's death or a substantial and irreversible impairment of a major bodily function of the pregnant woman or based on any reason related to the woman's mental health.

(D) Except when a medical emergency exists that prevents compliance with one or more of the following conditions, the affirmative defense set forth in division (B)(1)(b) of this section does not apply unless the physician who purposely performs or induces or purposely attempts to perform or induce the abortion complies with all of the following conditions:

1. (1) The physician who purposely performs or induces or purposely attempts to perform or induce the abortion certifies in writing that, in the physician's reasonable medical judgment, based on the facts known to the physician at that time, the abortion is necessary to prevent the death of the pregnant woman or a serious risk of the substantial and irreversible impairment of a major bodily function of the pregnant woman.
2. (2) A different physician not professionally related to the physician described in division (D)(1) of this section certifies in writing that, in that different physician's reasonable medical judgment, based on the facts known to that different physician at that time, the abortion is necessary to prevent the death of the pregnant woman or a serious risk of the substantial and irreversible impairment of a major bodily function of the pregnant woman.
3. (3) The physician purposely performs or induces or purposely attempts to perform or induce the abortion in a hospital or other health care facility that has appropriate neonatal services for premature infants.
4. (4) The physician who purposely performs or induces or purposely attempts to perform or induce the abortion terminates or attempts to terminate the pregnancy in the manner that provides the best opportunity for the unborn child to survive, unless that physician determines, in the physician's reasonable medical judgment, based on the facts known to the physician at that time, that the termination of the pregnancy in that manner poses a greater risk of the death of the pregnant woman or a greater risk of the substantial and irreversible impairment of a major bodily function of the pregnant woman than would other available methods of abortion.
5. (5) The physician certifies in writing the available method or techniques considered and the reasons for choosing the method or technique employed.
6. (6) The physician who purposely performs or induces or purposely attempts to perform or induce the abortion has arranged for the attendance in the same room in which the abortion is to be performed or induced or attempted to be performed or induced at least one other physician who is to take control of, provide immediate medical care for, and take all reasonable steps necessary to preserve the life and health of the unborn child immediately upon the child's complete expulsion or extraction from the pregnant woman.