Pregnancy: Week 5
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5 Weeks Pregnant

When you're 5 weeks pregnant, your hCG hormone levels are high enough for the pregnancy test to be positive. If you’ve been testing but the results have been negative so far, testing again during week 5 should tell you if you’re pregnant or not. Your baby is already as big as a sesame seed, and looks more like a “tadpole” at this point — but don’t worry. As he or she develops, his body and organs will take shape, and it won’t be long until you’ll be holding a real prince or princess in your hands!

Pregnancy Symptoms at 5 Weeks

Pregnancy Symptoms week 5Pregnancy Symptoms at 5 Weeks

What to Expect:

What to expect at 5 weeks pregnant? Many pregnancy symptoms are already present during week 5. However, women with irregular cycles may still be confused as to what is causing nausea, vomiting, and breast tenderness. If your pregnancy has been confirmed already, then you’re probably feeling anxious to know how things are progressing. It’s important to check with your GP or ob-gyn to learn more about the baby’s development, and detect any potential issues, if they exist.

Light spotting might still be common, especially since the placenta is developing. If you experience any bleeding, contact your doctor or midwife immediately and have it checked up. In some cases, vaginal bleeding during the first trimester of pregnancy may indicate ectopic pregnancy or miscarriage, so it’s recommended that you see what’s going on. Other symptoms you will probably experience during week 5 are:

Stomach cramps are less common during the fifth week of pregnancy. If you have painful cramps accompanied by bleeding, you might be at risk of miscarrying, so make sure to bring this to your doctor’s or midwife’s attention as soon as possible.

Your Baby at 5 Weeks

How big is a baby at 5 weeks? The embryo is growing at a furious pace during this stage of pregnancy. Already the size of a sesame seed, your little one looks more like a tadpole than a human, and he’s made up of three layers that will develop into his organs and tissue later. The top layer, called the ectoderm, is where the neural tube (from which the brain, nerves, spinal cord and backbone will sprout) is developing. The baby’s skin, nails, hair, tooth enamel and mammary glands are also developing in the ectoderm. Your baby’s heart and circulatory system are beginning to develop in the middle layer, called the mesoderm. During week 5, his tiny heart divides into chambers and starts pumping blood, thus yielding — you guessed it — heartbeat! The mesoderm will also form his bones, cartilages, muscles, and subcutaneous tissue. The third layer — endoderm — houses his developing lungs, intestines, urinary system, and glands like the liver, thyroid and pancreas. The placenta is now developed, and together with the umbilical cord, they’re delivering nutrients to the baby.

Your baby’s heart and circulatory system are beginning to develop in the middle layer, called the mesoderm. During week 5, his tiny heart divides into chambers and starts pumping blood, thus yielding — you guessed it — heartbeat! The mesoderm will also form his bones, cartilages, muscles, and subcutaneous tissue. The third layer — endoderm — houses his developing lungs, intestines, urinary system, and glands like the liver, thyroid and pancreas. The placenta is now developed, and together with the umbilical cord, they’re delivering nutrients to the baby.

5 weeks pregnant

Your baby’s heart and circulatory system are beginning to develop in the middle layer, called the mesoderm. During week 5, his tiny heart divides into chambers and starts pumping blood, thus yielding — you guessed it — heartbeat! The mesoderm will also form his bones, cartilages, muscles, and subcutaneous tissue. The third layer — endoderm — houses his developing lungs, intestines, urinary system, and glands like the liver, thyroid and pancreas. The placenta is now developed, and together with the umbilical cord, they’re delivering nutrients to the baby.

Ultrasound Images of 5 Week Pregnancy


5 Weeks Pregnant fetal
5 Weeks Pregnant ultrasound photos
5 weeks pregnant fetus
Baby at 5 weeks pregnancy ultrasound image

Bellies at 5 Weeks


5 Weeks Pregnant belly
5 Weeks Pregnant belly pictures
5 Weeks Pregnant belly photo
5 Weeks Pregnant with twins belly

Pregnancy Tips

  • Keeping fit is very important to both your baby’s health and yours, so make sure to exercise regularly. Thirty minutes a few times a week will be plenty, and you can choose from various types of exercises such as walking, running, jogging, and more. You may want to talk to your trainer or instructor about the best way to approach your exercise routine now that you’re pregnant, just to be on the safe side.
  • Avoid alcohol at all costs, because even the smallest amount can harm your baby.
  • Smoking, too, should be avoided to prevent potential complications at birth, such as premature delivery, or low birth weight.
  • Keep taking your folic acid supplement, and eat a healthy diet with plenty of fruits and vegetables. If your breasts cause major discomfort, wear a sports bra to reduce it.