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Week 3 - Trimester 1

Congratulations! You’re at the very beginning of the journey. You can’t see anything yet, but that doesn’t mean there’s isn’t a whole lot going on.

3 mins to read May 28, 2018


Your baby’s heart is beating already! Just a tiny little speck, the embryonic disc that is your baby right now is already made up of three layers of cells that will form the various parts of his body. The science is amazing - the inner layer, the endoderm, will give rise to the organs of the digestive tract, liver, pancreas and the organs of the respiratory system. The outer layer, the ectoderm, will form their nervous system and its different organs as well as skin, nails and hair. The third layer will form most of their skeletal structure, heart, urinary tract and sexual organs. In the middle of the mesoderm is the notochord, which will serve as a temporary backbone and from which the central nervous system, future brain and head will form. The embryonic disc goes from about 0.4 mm at the beginning of the week to 1.5-2.5 mm by the end of the week.


You didn’t get your period when you were supposed to. At first, you probably thought nothing of it. But then…what if? You decided to take a pregnancy test and it was positive. Congratulations! A wonderful adventure is about to begin, one of the best in your life. Nothing is visible, of course, but that won’t last for long.


There are lots of foods you can eat that may nourish the developing brain of your baby.

Folic acid, important throughout your pregnancy, is in green, leafy vegetables, and fortified breads. You can find the essential fatty acids like DHA in oily fish, eggs and oils like walnut. Talk to your health care professional to be sure you are including all the right kinds of foods in your diet.


Is it a good idea to take a vitamin-mineral supplement while pregnant?

Basically it’s best to talk to your healthcare professional first. Pregnant women have a higher dietary recommendation for many nutrients, including iron, Iodine, and folic acid. Taking a vitamin and mineral supplement can help fill some nutrient gaps. As with any medication, consult your health care professional before taking any dietary supplements during your pregnancy. He or she can prescribe a supplement for you that caters to your pregnancy. Caution: don’t play pharmacist!  Wrong doses of certain nutrients (e.g. vitamin A, fluorine) can be bad for baby!

By the way, have you seen your obstetrician? A first consultation before the end of the third month is in the cards. Your doctor may order a blood test for early pregnancy and schedule your first ultrasound, which may take place around the 12th week.