Although you may not look pregnant during the first trimester, your body is going through enormous changes as it accommodates a growing baby.In the first few weeks following conception, your hormone levels change significantly.Read more: What bodily changes can you expect during pregnancy?»The first trimester is vital for the development of your baby.
These changes accompany many of the pregnancy symptoms, such as fatigue, morning sickness, headaches, and constipation.
Pregnancy date counting starts with the first day of your last normal menstruation cycle, and conception takes place in week 2.
The first trimester lasts from the first through the 13th week of pregnancy.
Your first doctor’s appointment should take place six to eight weeks after your last menstrual period.
Your pregnancy will be confirmed by another urine test or a blood test.
Most of the early pregnancy symptoms will gradually disappear.