So I had my 4th daughter feb 2019, after i had a 11cmx8cm teratoma cyst they removed my left ovary and tube 9/26, I am on low dose birth control (no estrogen), and still breastfeeding , not to mention my husband is a type 1 diabetic so needless to say we only get busy prob 1 time every 8-12 weeks ..... well I had a period Jan 17 and had shoulder surgery 2/4 so when I bleed again starting the night of 2/6 I thought gee just my body under stress .... we had sex the night of the 19th, I took this today in the afternoon , after 2 hour hold and 3 bottles of water ... thoughts ???