The tier 4 guidance states
“<span style=”caret-color: #0b0c0c; color: #0b0c0c; font-family: nta, arial, sans-serif; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); -webkit-text-size-adjust: 100%;”> Parents can still take their children to school, and people can continue existing arrangements for contact between parents and children where they live apart. This includes childcare bubbles”</span>
with you still feeding and you having to be there, like existing contact arrangements, I’d say you’re fine x