(i) while on protective leave or natal care absence, within the meaning of Part IV of the Maternity Protection Act 1994 or to attend ante-natal classes in accordance with section 15A (inserted by section 7 of the Maternity Protection (Amendment) Act 2003), or for breastfeeding in accordance with section 15B (inserted by section 8 of the Maternity Protection (Amendment) Act 2003), of the first-mentioned Act,