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Week 5 of Your Pregnancy

You are in the second month of your pregnancy. This week, your hCG hormone levels are high enough to show a positive result on a home pregnancy test, and you may have early symptoms like fatigue and nausea.


Your Body at Week 5 of Your Pregnancy

This is the time when you may start to wonder whether you are pregnant. You will have missed your period, but you may also be feeling like it’s just about to start.

More human chorionic gonadotropin (hCG)

At 5 weeks pregnant the level of hCG, the hormone that spikes during early pregnancy, in your urine is high enough to be detected by a home pregnancy test.

You may go to the toilet more often than usual

Pregnancy hormones may make you feel that you have a constant need to pee. But still it is important to stay hydrated, but you may want to cut back on fluids late in the day so you don't have to get up to pee as frequently at night.

You may feel your breasts are larger and feel sore

Increased hormone levels boost blood flow, which may make your breasts feel swollen, sore, tingly, and unusually sensitive to touch.

You may feel quite tired

During the first trimester, a huge amount of energy goes into building a life-support system for your baby, especially the placenta, which can leave you feeling tired. There are also a lot of hormonal and emotional changes that are happening.


It usually starts around week 5 or 6 of pregnancy. There are safe ways to get relief from morning sickness, including changes to your diet and lifestyle, natural remedies, and medication. Talk to your provider if it bothers you.

Food Aversions

Most expecting moms experience food aversions, this is due to hormones and a heightened sense of smell. If you are not able to eat your regular food then try eating bland or cold foods. If cooking makes you sick, plan to have someone else cook for you.


Your Baby at Week 5 of Your Pregnancy

How big is my baby at 5 weeks?

At 5 weeks pregnant, your little embryo is still super tiny, measuring about the size of an orange seed. But your baby has already burrowed into the wall of your uterus. It is now called an embryo and measures about 2mm from end to end. The foundations for all of the major organs are in place. The baby is inside an amniotic sac, a bag of fluid that protects it.

Brain development

Your baby's brain, spinal cord, and nerves form from the neural tube, which is starting to develop. Your baby’s head is much larger than the rest of the body at this stage as the brain and face are developing very rapidly.

Your baby's heart

Your baby's heart is made up of two tiny channels called heart tubes, which will fuse later. You may even be able to see your baby's heart beating on an early ultrasound toward the end of the week, though it's more commonly visible at week 6 or 7.


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