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 (week 1-week 12) At 4 weeks: Your baby's brain and spinal cord have begun to form. The heart begins to form. Arm and leg buds appear. Your baby is now an embryo and one-fifth of an inch long. At 8 weeks: All major organs and external body structures have begun to form. Your baby's heart beats with a regular rhythm.
Updated May 02, 2016. The first trimester is technically the shortest trimester in terms of the time you know you are pregnant. Most moms don't figure out they are pregnant until a pregnancy test between weeks four and six. Once you know you're having a baby, you probably want to know as much as possible. First Trimester Resources.