TTC while breastfeeding

Anyone else? its frustrating I want my babies close together it's been 2 months of trying with positive opks NO periods but light spotting when the app said I should have had my period it lasted 5 days buy a negative hcg test the day before it started. what I'm assuming was AF started the 13 and ended the 17th had some weird tingling cramping yesterday and a positive opk this morning. This is month 2 of the same thing :( anyone else in my boat?