Cramping

Hannah • Pregnant with #2 - baby GIRL- EDD 8th October 2017. Already have little boy who is 2 1/2yrs
I am 4weeks3days pregnant and am so worried as keep getting cramps- I have a doctors appointment next Wednesday- is this normal? 
​I also have tender boobs.
 
​Have wanted a baby for so long- so scared to get excited. 
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