Is this early pregnancy symptom??

Ci
Okay this might sound silly but hear me out. My husband and I are TTC baby #2 and did the BD almost every day during magic week and then some. I'm 10 DPO and have had nausea slight cramping/weird feelings, dizziness, fatigue etc. However we haven't had sex in like 5 days and now I have a yeast infection I'm pretty sure. Could the yeast infection be a early pregnancy sign, especially since we haven't had sex recently to cause it? I took a hcg test yesterday morning and it was neg. Sorry if this is TMI - I'm trying not to over think it and don't know who else to ask. Thanks ladies! !