my period is always on time maybe 2days late max. 1st did pregnancy test was negative. just to mention have had nausea, dizziness, cramping, tender breast, head aches. 2nd week day 13 did had faint positive. day 15 I got watery pink discharge on panty. im on day 16 and watery discharge has reduce on panty. my normal period would be heavy anf red. could I be pregnant.