40 years old

Kristina

I'm 40 trying to conceive I'm 4 days late took a pregnancy test was negative but can it be too early to detect HCG been feeling pretty icky and my boobs omg so sore . I have 2 kids one is 20 boy is 9 with both of them I was exactly 2 months along before I found out think I too early for detectable HCG ?