For the purposes of this Directive:
(a) pregnant worker shall mean a pregnant worker who informs her employer of her condition, in accordance with national legislation and/or national practice;
(b) worker who has recently given birth shall mean a worker who has recently given birth within the meaning of national legislation and/or national practice and who informs her employer of her condition, in accordance with that legislation and/or practice;
(c) worker who is breastfeeding shall mean a worker who is breastfeeding within the meaning of national legislation and/or national practice and who informs her employer of her condition, in accordance with that legislation and/or practice.