• Nutrition

5th Week of Pregnancy

embryo developing

The Tip of a Pen

Baby's Growth and Development at 5 Weeks Pregnant

After weeks of rapid cell development, your baby takes on a more distinct form. During the 5th week of pregnancy, here’s what’s happening inside:

  • Its heart and circulatory system take shape — a bulge indicates where your baby's heart is developing. By the end of the 5th week of your pregnancy, your baby's earliest blood vessels form.
  • Around the 5th week of your pregnancy, your baby's heart begins to beat and might be visible on an ultrasound.
  • The umbilical cord replaces the yolk sac. The umbilical cord works with the placenta to bring nutrition and oxygen to your baby and remove waste.
  • When you’re 5 weeks pregnant, your baby is the length of the tip of a pen and growing rapidly every day.

Your Changing Body at 5 Weeks Pregnant

A lady sleeping

Although later pregnancy is more dramatic to the world externally, the first weeks of pregnancy include the most dramatic internal changes for you. All of the systems in your pregnant body change to help your new baby develop. During your 5th week of pregnancy, you might start to notice the following:

  • Feeling fatigued? Your body produces more blood to carry oxygen and nutrients to your baby. Your increase in blood might be especially high at 5 weeks pregnant, placing demands on your circulation. Your heart rate increases to keep pace, and these changes might cause fatigue, dizziness, or even headaches.
  • At 5 weeks pregnant, you might be experiencing a few other symptoms of early pregnancy. This can include breast changes, nausea, heightened sense of smell, frequent urination, or mood swings.
  • Most women start to feel symptoms at 5 weeks pregnant. But every pregnancy is unique. Some symptoms might come later or not at all.
  • Around the 5th week of pregnancy, the placenta that will help nourish the baby grows and secures to the uterus, which might cause light spotting.
  • By 5 weeks pregnant, you might find that odours from your daily routine can cause nausea. You might want to identify the source and avoid smells that bother you.
  • If you experience dramatic mood swings in early pregnancy, you’re not alone. You might want to share your feelings and get the emotional support you need from your partner, family, and friends.

Wellness and Nutrition at 5 Weeks Pregnant

A lady laying and reading a book

Making the Most of Your Visits with a Healthcare Professional

Regular prenatal care remains a critical part of monitoring your health and the health of your baby throughout your pregnancy. Now is the time to schedule your first prenatal visit. Most Healthcare Professionals will schedule the appointment between your 6th and 10th week of pregnancy.

  • Your first prenatal doctor’s visit will be one of the most involved. During this visit, your Healthcare Professional confirms your pregnancy and records your medical history. Your Healthcare Professional probably will conduct a physical exam and a series of additional routine tests to make sure you and your baby are healthy.
  • Good communication is a key to success with your Healthcare Professional. If you don't understand something at any Healthcare Professional visit, be sure to ask for clarification or additional details.
  • Get informed and be equipped. The more informed you are, the better able you’ll be to make the best choices throughout your pregnancy.
  • Look beyond the belly. Remember to keep up with other areas of your overall health. Schedule routine dental visits and promptly address other health concerns as they arise.

Exercise: Finding the Right Routine for You

Exercise supports good health for you and for your baby. Plus, healthy habits today lay the groundwork for your future labor and delivery. Check out a few simple pointers that might help you find the right routine:

  • Talk with your Healthcare Professional about changes in your exercise program or health routine.
  • Equip yourself for exercise success with the right shoes and a sports bra with plenty of support.
  • Don't skip the stretch! Begin and end with stretching to prevent muscle strain.
  • Rise slowly if lying or sitting to keep from feeling dizzy or faint.
  • Try for 30 minutes of physical activity or exercise most days of the week.

You might find that some types of exercise relieve pregnancy-related aches and pains. Try stretching, walking, swimming, water aerobics, cycling on a stationary bike, low-impact aerobics, or low-impact cardiovascular machines. Experiment to find the routine that works best for you.

Nutrition Notes

Pregnancy is one of the best times to pump up your nutritional intake, because your choices now affect both you and your baby. During your 5th week of pregnancy:

Continue to follow a balanced diet. As you feel more hunger, begin to add a few extra, well-chosen calories to your diet. During your 1st trimester you shouldn’t need to add extra calories to your diet.

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