Any person who violates subsection (a) is subject to twice the maximum punishment otherwise authorized and at least twice any term of supervised release otherwise authorized for a first offense. Except to the extent a greater minimum sentence is otherwise provided, a term of imprisonment under this subsection shall not be less than one year.
Any person who violates subsection (a) after a prior conviction under subsection (a) of this section has become final, is subject to three times the maximum punishment otherwise authorized and at least three times any term of supervised release otherwise authorized for a first offense. Except to the extent a greater minimum sentence is otherwise provided, a term of imprisonment under this subsection shall not be less than one year. Penalties for third and subsequent convictions shall be governed by section 841(b)(1)(A) of this title.
In any case of any sentence imposed under this section, imposition or execution of such sentence shall not be suspended and probation shall not be granted. An individual convicted under this section of an offense for which a mandatory minimum term of imprisonment is applicable shall not be eligible for parole under section 4202 of title 18 [2] until the individual has served the mandatory term of imprisonment as enhanced by this section.
Except as authorized by this subchapter, it shall be unlawful for any person to knowingly or intentionally provide or distribute any controlled substance to a pregnant individual in violation of any provision of this subchapter. Any person who violates this subsection shall be subject to the provisions of subsections (b), (c), and (e).