Iowa has laws pertaining to jury duty and breastfeeding in public.
Iowa Code § 607A.5, 2002
607A.5 Automatic Excuse from Jury Service
A person shall be excused from jury service if the person submits written documentation verifying, to the court’s satisfaction, that the person is solely responsible for the daily care of a permanently disabled person living in the person’s household and that the performance of juror service would cause substantial risk of injury to the health of the disabled person or that the person is the mother of a breastfed child and is responsible for the daily care of the child. However, if the person is regularly employed at a location other than the person’s household, the person shall not be excused under this section.
Iowa Code § 135.30A, 2002
135.30A Breastfeeding in Public Places
Notwithstanding any other provision of law to the contrary, a woman may breast-feed the woman’s own child in any public place where the woman’s presence is otherwise authorized.