1st Trimester of Pregnancy
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Pregnancy is divided into three trimesters – the first, second and third. The first trimester of pregnancy lasts from conception to twelve weeks (three months of gestation)
 Your Baby – Early Development
Your pregnancy begins at the time of conception (when fertilisation occurs). During the week that follows, a woman’s egg, evolves into a little ball of cells (called a blastocyst), which is so tiny, it’s microscopic. This egg then implants itself into the wall of the uterus.
Between the third and eighth week of gestation, the baby (now referred to as an ‘embryo’) develops the majority of important body organs. Whilst this is occurring, the expectant mother must be very careful with her health and lifestyle choices, as the development of the embryo may be impacted upon by alcohol, illegal substances, medications and radiation.
After the ninth week of gestation, your baby is now commonly referred to as a ‘fetus’. The uterus has grown significantly, and is now approximately the size of a grapefruit.
 Symptoms and Indicators of Pregnancy
Often the first indication that a woman is pregnant, is the absence of her menstrual period. Other symptoms, caused mainly by the hormonal changes occurring, include
 General Information
Throughout the duration of your pregnancy, you may notice a variety of changes happen to your body. Some reported side effects of pregnancy in the first trimester are.