Hello..meri delivery 27sept 2019 ko hui thi..normal..baby abhi 14month ki he..feeding karti he..mujhe periods 1sal baad 14oct2020 ko aya..fir decme nhi aya..dec 2ko aya..after 21days from prev one..n jan 2ko ana tha..till not come..kya karne se regular hoga..plz suggest..m so worried