Your Pregnancy: Week 13

Welcome to week 13 of pregnancy, and to your second trimester - the middle part of your pregnancy, from weeks 13 to 26.

At this stage, your baby weighs approximately 25g and is around 7.4cm long, which is about the size of a peach.

Inside their tiny body, their ovaries or testes have fully formed, while the development of their external genitalia is underway. Though the sex organs are taking shape, determining the sex of your baby through ultrasound scans at this point is typically not possible. However, it's a fascinating time as your baby's physical characteristics continue to evolve, laying the foundation for their unique identity.

Around 7 in 10 women experience during their first trimester of pregnancy, this often improves or disappears by around 13-14 weeks.

Hyperemesis Gravidarum (HG) is extreme, ongoing sickness that often needs hospital treatment. Exactly how many pregnant women get HG is not known as some cases may go unreported, but it's thought to be around 1 to 3 in every 100.

If you are being sick frequently and cannot keep food down, tell your midwife or doctor, or contact the hospital as soon as possible. There is a risk you may become dehydrated, and your midwife or doctor can make sure you get the right treatment.

You may notice an uptick in your sex drive during this period, potentially influenced by pregnancy hormones or increased blood flow to the pelvic area. However, libido vary among individuals, and it's entirely normal if you don't experience this. Learn more about sex during pregnancy.

It's crucial to remain vigilant about your urinary health and seek medical attention if you experience any discomfort or pain while urinating. Urinary tract infections (UTIs) can occur during pregnancy, and prompt treatment is essential to prevent complications such as kidney infection.

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