(1) In this Chapter -
(a) "confinement"means - (i) labour resulting in the issue of a living child, (ii) labour, after 24 weeks of pregnancy, resulting in the issue of a child whether alive or dead, or (iii) labour resulting in the issue of a child who, at birth, weighs not less than 500 grammes, whether alive or dead, and "confined" shall be construed accordingly;
"premature birth period" means a period which - (a) commences on a date of confinement which occurs on or after 1 October 2017, and (b) expires two weeks before the end of the expected week of confinement;
"relevant day" means the first day for which maternity benefit is claimed;
(b) references to the date of the confinement shall be taken as referring, where labour begun on one day results in the issue of a child on another day, to the date of the issue of the child or, where a woman is confined with twins or a greater number of children, to the date of the issue of the last child.
(2) In deciding whether or
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