For comparison, this is just about the size of a poppy seed! Your Baby: What Does 4 Weeks Pregnant Look Like? How Big Is a Baby at 4 Weeks Pregnant?Īt 4 weeks pregnant, your baby is very tiny, as the newly implanted embryo is only about 0.04 inches long. All the activity at 4 weeks pregnant sets your baby up to start all this important development. The umbilical cord will eventually come out of one side of the placenta, and the amniotic fluid, which will cushion your baby throughout your pregnancy, is already forming inside a surrounding membrane, or yolk sac.ĭuring the upcoming weeks, your little one will also start forming a neural tube, which is the main building block for the brain and spine.

The placenta begins to form, connecting your body’s systems to that of the baby, forming and attaching to the uterine wall where the egg implanted. The cell layers will start to grow into different parts of your little one's body, such as the nervous system, skeleton, muscles, organs, and skin. The egg rapidly divides into layers of cells, some of which become the embryo. The fertilized egg implants itself into the side of your uterus. Here’s what’s going on inside your uterus at 4 weeks pregnant: While you’ve been adjusting to being pregnant, the new life inside you has been busy. 4 Weeks Pregnant: Your Baby's Development If you have an average 28-day cycle, you probably conceived during the second or third week of your pregnancy. Pregnancy is measured as 280 days or 40 weeks, beginning with the date you started your last period. So, at 4 weeks pregnant, you’re in your first month of pregnancy, even if you haven’t noticed any belly bump or symptoms!Īre you asking yourself, “If I'm four weeks pregnant, when did I conceive?” This is another common question that your healthcare provider can help you answer. Most of the time, what's considered the first month of pregnancy includes the first four weeks (though this can vary, as the weeks of pregnancy don't fit evenly into months). Your healthcare provider will usually refer to your pregnancy in terms of weeks, but it’s also common to hear a reference to months. Consult your healthcare provider to determine your final due date. When is my due date if I'm 4 weeks pregnant? After confirming your pregnancy, the first question on your mind might be when to expect your little one’s arrival! Your healthcare provider can confirm that exciting date, but in the meantime, try our Due Date Calculator. For the most accurate results, it’s best to wait until after you’ve missed your period to take a pregnancy test -when your hCG levels will be higher-and confirm your pregnancy with your healthcare provider. If your hCG levels are still too low to detect, you might see a false negative test when just 4 weeks pregnant. If you've just found out you’re pregnant, congratulations! Perhaps you received this exciting news after missing your period, which might make you wonder if you can get a positive pregnancy test at 4 weeks?Īt 4 weeks pregnant, a home pregnancy test could show a positive result if you have high enough levels of the pregnancy hormone hCG (human chorionic gonadotropin), which is present in your urine about 10 days after conception. Get ready to focus on you and your developing baby by adopting a healthy lifestyle, which can include ditching any bad habits and seeking out ways to reduce stress, such as with yoga or meditation. It’s possible not to notice any symptoms at 4 weeks pregnant, but if you do, you’ll likely experience common things like bloating, breast tenderness, fatigue, or spotting-all exciting signs that you’re pregnant! Your baby is teensy tiny, about the size of a poppy seed at 0.04 inches long. You’re at the very beginning of your pregnancy journey, but a lot is happening! The fertilized egg implants itself into your uterus and starts to rapidly divide its cells, all part of the process of developing your baby’s arms, legs, brains, muscles, etc. Here are a few important points to consider and highlights to look forward to during your fourth week of pregnancy: It’s also possible you won’t notice anything just yet, which is totally normal! Keep reading to learn about what happens at 4 weeks pregnant, including signs and symptoms, your baby’s development, and what you might want to ask your healthcare provider. At four weeks, you’re officially pregnant and might even experience a few common early pregnancy symptoms, such as implantation bleeding, bloating, nausea, or fatigue.

Moody pregnancy