Organic milk. A glass of milk. Organic milk refers to a number of milk products from livestock raised according to organic farming methods. In most jurisdictions, use of the term organic or equivalents like bio or eco, on any product is regulated by food authorities.
First trimester ends at the end of your 13th week. Count 12 weeks, starting from the day of your last period. At the end of your 13th week you have started your 2nd tri-mester. Your first trimester ends at the end of week 12,and your second trimester starts at the beginning of week 13 and continues until week 27.
There's no official definition, but the trimesters are generally considered to be about three months each. At BabyCenter, you graduate to the second trimester the day you turn 14 weeks pregnant. The third starts the day you turn 28 weeks pregnant. Does pregnancy really last nine months? Of course pregnancy is nine months long, right? Well, not exactly.