Pregnancy Calculator

Pregnancy Week 10

How big is yourbaby? By the end of this week your baby will measure around 3.1cm (1.22inch) and weighsaround 4grams (0.14ounce). growth over this week is going to be rapid. Your baby's development The end of week 10 sees the end of the embryonic period and the start ofthe fetal period. By now your baby's head will make up more than half of his/her total length. Yourbaby's body will continue to straighten and grow as this week goes by. Your babyshead now also appears to be more rounded. Over the next few days hair follicles, finger nails and toe nails…


Pregnancy Week 9

How big is your baby? Your baby now measures 2.3cm (0.90inch) and weighs around 2grams (0.7ounces). Itis now about the size of a medium green olive. By the end of the week your babysarms will only be about as long as this 1   Your baby's development Week 9There have been many changes to yourgrowing baby over the last few days. Your baby's arms and legs are now longer andstraighter. His/her hands will be flexed at the wrist and will almost meetover the heart. Your baby will have longer fingers now which are enlarged at the ends - as the…

Pregnancy Week 8

How big is your baby? By the end of the 8th week your baby will measure between 1.6cm (0.63inch) and weigharound 1gram (0.04ounce). Your baby would fit into a wallnut shell and will weightaround the same as a book of matches by the end of the week. Your baby's development Your baby is continuing to grow and develop at a very fast pace. By now yourbaby has eyelid folds, nerve cells and the retina are also beginning to form inthe eye. Your baby should now have a tip to his/her nose and even the ears are developing,both internally and externally.…

Pregnancy Week 7

How big is your baby? Your baby will be going through a big growth spurt this week. At the beginning ofthis week the crown to rump measurement is between 0.16-0.2 inches, or 4-5mm, andby the time this week is completed your baby will measure 1/2 inch, or 1.1-1.3cm(11-13mm)! At the end of this week your baby will weigh about as much as an eyelash. Your baby's development Leg and arm buds are now beginning to show, which have been developing sincethe 6th week. Although the arm buds are developing, they have not even divided intohand and arm segments yet. Using…

Pregnancy Week 6

How big is your baby? The crown to rump length of your baby now measures around 0.08-016 inches, whichis 2-4mm. The crown to rump is the distance from the top your baby's head to it'srump. Your baby's development Your babys heart should start beating this week and with the proper equipment,such as an ultrasound,you may be able to see your baby's heart beating. Initial circulation starts offin the mesoderm, yolk sac and the linning of the placenta. By the middle of this week the aorta will have started to formin your babys heart. Another major development this week is that…

Pregnancy Week 5

How big is your baby? Your baby hasn't grown a great deal in size since last week and will now measure about 0.05 inches, which is about 1.25mm. This however does not mean that your baby is not changing and developing. There is in fact lots of development which is taking place. At this stage, the amniotic sac is about the size of a grape. Your baby's development During this week a plate, which will later become your babys heart, will start to develop as well as the central nervous system, muscles and bone formation will also begin to take…

Pregnancy Week 4

How big is your baby? At this stage of your pregnancy your baby is already 2 weeks old and measuring about0.04 inches or about 1mm in length. Your baby's development Although fetal development is still in the early stages there is still plenty ofchanges taking place. By this stage of your pregnancy the blastocyst would have embedded itself into thewall of your uterus even deeper and the amniotic cavity, which will later be filledwith amniotic fluid, will already have started to form. The germ layers, which are different layers of cells, will have begun to form. Theselayers will later form…

Pregnancy Week 3

How big is your baby? At the beginning of this week conception willbe taking place and by the end of this week your 'baby' will be made up of onlya cluster of cells. Once conception has taken place it takes around 5 days for theembryo to enter your uterus. By the end of the week your embryo is only 0.006 inches (0.150mm) long. This isabout as big as this full stop . Your baby's development Although your baby is still so small, there is a great deal which is happening.Your baby's sex has already been determined, as this takes place…

Pregnancy Week 1 and 2

At this stage you are not actually pregnant yet. During the first two weeks you will begin your monthly cycle, ovulate and conception will take place. Our pregnancy calendar is based on a 40 week timetable, so your pregnancy will actually only start during week 3. How is your due date calculated? We calculate your due date by simply adding 280 days to the day when you started your monthly cycle. Yes, your pregnancy start date is actually calculated from when you start your period. The human gestation period is actually 266 days, so by adding 14 days or the…