Your baby is now around 9cm long.
Their lungs are developed enough to practice breathing movements, even though their oxygen supply comes from you through the placenta and umbilical cord.
At this stage, your baby’s heart is pumping several litres of blood through their body every day. Their other organs have all formed, along with their limbs, muscles, genitalia and bones.
As you enter the second trimester, your hormones stabilise and you may notice an increase in energy. Those hormones can have some welcome effects that are becoming more noticeable now.
Your hair may look thicker and shinier, and your nails are likely to grow faster and stronger.
Morning sickness usually fades around this time, making it easier to eat a wider range of nutritious foods and enjoy exercise again. Remember to exercise within your limits, and always talk to your healthcare professional to get their OK first.
Please note: These pregnancy week-by-week articles, are meant to give you a general sense of the growth and development going on within you. However, it’s important to remember that every baby develops differently, even during pregnancy.