How early can you catch on that you're pregnant? What are are signs and symptoms to look out for? Whats the earliest sign to notice?

Unbearable headaches

I notice mine when I missed my next period

Missed menses, swelling breasts & fatigue.

I noticed sore breast and then missed period

body aches and tiredness. sensitive breasts.

2.25 months when i found out i am pregnant.

Missed period, cramp, lightheaded sore b**b

boob pain and frequent urinating

Body pains and always feel like vomiting

I woke up at 5am everyday. Very not me.