i am ttc, i have had 2 miscarriages, one in dec 2011 and one in jan 2012, the second one we know was due to chromosonal problems, me an my husband have been trying to conceive now for 5 months, i usually have 27 to 28 day periods, i am confused this month because i got my period on day 24. i am 29 years old, 5 4 129 pounds.