14 weeks pregnant: Symptoms, tips, and baby development
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    14 weeks pregnant: Your guide to this week of your second trimester

    Updated 05 July 2023 |
    Published 24 February 2019
    Fact Checked
    Dr. Angela Jones
    Medically reviewed by Dr. Angela Jones, Obstetrician, gynecologist, and attending physician, Jersey Shore University Medical Center, New Jersey, US
    Written by Kate Hollowood
    Edited by Sarah Biddlecombe
    Flo Fact-Checking Standards

    Every piece of content at Flo Health adheres to the highest editorial standards for language, style, and medical accuracy. To learn what we do to deliver the best health and lifestyle insights to you, check out our content review principles.

    From an increased sex drive to insomnia, here’s the lowdown on being 14 weeks pregnant.

    Welcome to your second trimester! At 14 weeks pregnant, you’ve made it through the period when you were most likely not to feel well because of pregnancy symptoms, with 70% of pregnant women experiencing nausea in the first trimester. Hopefully, you are starting to feel better now or can look forward to feeling more comfortable in the coming weeks

    You’re probably full of questions about what this trimester will bring, as well as specifically what to expect now that you’re 14 weeks pregnant. Keep reading to discover how your baby is developing, the most common pregnancy symptoms at this stage, and lifestyle tips for a healthy baby and mom, with advice from a Flo expert. 

    Your baby at 14 weeks pregnant

    Forming toenails

    Now that you’re 14 weeks pregnant, your baby is starting to form tiny toenails, which will be fully developed by 36 weeks. Adorable. 

    Forming fetal red blood cells

    At this stage, your baby is also forming fetal red blood cells, which are currently produced in your baby’s spleen. By the third trimester, their bone marrow will take over. This is where these important cells, which carry oxygen around the body, will be created for the rest of your baby’s life. 

    How big is a baby at 14 weeks pregnant?

    Length (crown to heel): 14.7 cm or 5.8 in.

    Weight: 93 g or 3.3 oz

    Size: Equivalent to a peach

    All measurements are approximate and vary within the normal range.

    At week 14 of pregnancy, the baby is around 14.7cm long, equivalent to the size of a peach

    Your body at 14 weeks pregnant

    Increased sex drive and heightened sensitivity during sex

    Found yourself feeling a bit friskier lately? It might come as a surprise, but around now, changes to your pregnancy hormones can