britneyjordan's TTC after m/c Wish

I have a 5 year old, and have been trying to conceive since august of 2010, so its been a year. i got pregnant in february. i knew i was pregnant for one week, and then miscarried. i have been charting my periods and cycles for the whoe year, and still nothing. im only 21 years old, and should be able to easily get pregnant. god, just help me.