Im 27yrs old and ttc..i have irregular period..the other one is 24days cycle and the other one is 35days cycle..27days cycle...but since i had this <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> i track my period since june until now.. since june,i got my period monthly..me and my bf are ttc.. may last period was Nov. 30- dec 4.and had sex last dec 27. my expected date of period was january 4 but my period doesnt come until now.. i dont have my period.. i have a symptoms like fatigue i always feel sleepy on my work,breast tenderness,hungry,lower back pain,cramps on my right lower abdomen,frequent,nauseous but not in the morning i always feel nauseous every afternoon. urination,bloated,constipated,dizziness. And i already use pregnancy test last february 7 and its negative.. should i wait another 1wk??pls help