Amazing Pregnancy


Pregnancy Weeks 1 to 4

First Trimester | Pregnancy Week 5

The Mom:
During the first two weeks of your cycle, your body is preparing to ovulate. Hormones are stimulating your ovaries to produce and release an ovum. They are also signaling the endometrium to thicken, readying it to receive a fertilized egg!

Ovulation usually occurs about 2 weeks after your last period. Once it occurs, the egg begins traveling down your fallopian tube. This is usually where the fertilzation takes place as well.

If you have a normal 28 day cycle, you are probably looking for your period this week. Your body is making HCG or Human Chorionic Gonadotropin. Home pregnancy kits measure the amounts of HCG present in your urine. You could probably get a postive result on a home pregnancy kit. Keep in mind that tests vary widely in the amount of HCG needed in order to register postive.

Once fertilization takes place, the ovum continues on its way to the uterus, where it will implant in the uterine lining. During that trip thru the tube, the fertilized single cell egg, had begun dividing. By the time, it implants in the uterus, it has grown into over 100 cells, with a fluid filled cavity. This is called the blastocyst. It has 2 layers, the outer one will form the placenta, the inner one will become your baby!

Once implantation occurs, your cervix gets slightly wider and softer, and a thick mucous plug seals off the uterus to protect it from infection. Some women experience cramping and spotting on implantation.

You probably aren't even aware that you are pregnant yet, but your unborn baby is already developing and sex has been determined.

The Baby:
The fertilized egg is undergoing rapid cell division. It will implant in your uterine lining this week. Once implantation occurs, it's called a blastocyst and is very tiny. It only measures 0.1-0.2 mm in diameter.

A yolk sak has developed and will be the nourishment for baby until the placenta is formed and takes over. Did you know that the sex and other characteristics of your baby have already been decided? It's all in the DNA code that was formed when the sperm and egg first met.




Ultrasounds and Pictures:


 
Disclaimer - Each pregnancy, expectant mother, and unborn child is different. Your pregnancy may not progress the same as the information found here. The information here is based on the average pregnancy. It's not meant to be a replacement for any advice your may receive from your doctor. If you have any concerns about your pregnancy, we advise you to contact your doctor.

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