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First Trimester of Pregnancy - The baby's organs start to develop

Week 1

This week you are actually not pregnant yet. We calculate the pregnancy from this week according to the first day of your last period.

Week 2

You have an increase in the amount of estrogen and progesterone coursing through your bloodstream. This is a great time for you to be trying to get pregnant.

Week 3

A tiny miracle has happened. You may be able to see a positive result on a pregnancy test. However, it might be too soon to know. For best results, test first thing in the morning, when your urine is most concentrated.

Week 4

The tiny baby's organs now start to develop, and this is a vulnerabe time, up until week 10. It's important that you stay healthy. Baby's size: Poppy seed.

Week 5

You might be feeling tired, and the morning sickness might have kicked in. Many women get food aversions or cravings, and the need to pee frequently increases. Baby's size: Sesame seed.

Week 6

The tiny baby looks more like a little shrimp than a human at this point. The baby's heart filles with blood and is developing, so this is an imortant time for the baby's development. Baby's size: Lentil.

Week 7

Your baby is still considered an embryo with a little tail. The baby's hands and feet are emerging from developing arms and legs. By now, you already have about 10 percent more blood than you did before you were pregnant, and the need to pee more often increases. Your womb has grown to the size of a lemon by the time you're around 7 or 8 weeks pregnant. This might be a good time to book an apporintment with your healthcare provider. Baby's size: Blueberry.

Week 8

You might start to feel that your breasts are growing. The baby is now called a foetus, which means offspring. The foetus is still inside its amniotic sac and the placenta is continuing to develop. As the pregnancy progresses, you will most likely realise comfort is key, so invest in comfy clothes. Inside the baby's brain, nerve cells are now connecting, forming primitive neural pathways. Its important you keep a well balanced diet and make sure you have lots of veggies and fruit to boost your vitamine intake. Baby's size: Kidney bean.

Week 9

The baby's face is slowly forming. There's a mouth and a tongue with tiny taste buds. This might be a good time to start taking pictures of yourself, choose an angle and have your partner take pictures at the same spot as your belly keeps growing. This will be fun to have for later. Baby's size: Grape.

Week 10

The ears are begining to develop on the sides of your baby's head, and the ear canals are forming inside the head. This week you may choose to have a harmony test, which involves a blood test and a scan. This test will tell you if it's a boy or a girl, and also gives a strong indication of high or low risk of trisomy 21 (Down syndrome), trisomy 18 (Edwards syndrome) or trisomy 13 (Patau syndrome). Baby's size: Strawberry.

Week 11

The little one is now almost fully formed and looks more human. Little teethbuds are developing. Eyelids now cover the eyes, and these won't open until week 27. Baby's size: Fig.

Week 12

This is the week many have their first scan. You might see the baby's gender, but it could also be to soon to tell. Baby's size: Lime.

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