I am almost 4 DPO. I bd with my husband, twice, the day before I ovulated. We used Preseed for the…

I am almost 4 DPO. I bd with my husband, twice, the day before I ovulated. We used Preseed for the first time that day. Today I am BEYOND fatigued, bloated, cramps, headache (I NEVER have headaches), and a massive amount of cervical fluid (Sorry for the tmi). Could I really be having pregnancy symptoms this early??