At 3 weeks pregnant, the baby grows at a remarkable rate but is still too small to be seen with the naked eye. It is made up of a cluster of cells which is as small as the head of a pin. At this time, many wonder about the possibility of having twins. Twins develop when multiple eggs are released from the ovaries. Two eggs may be fertilized by two different sperm and result in fraternal twins. Also one fertilized egg may divide into two and result in identical twins. Triplets and quadruplets are also possible when multiple eggs are fertilized or one fertilized egg splits.
At 3 weeks pregnant symptoms such as discharge and cramping may occur. The discharge may be in the form of light spotting or mucus discharge. This may occur sometime before the expected menstrual period.
It is also lighter than menstrual blood and also does not last for as long. These 3 weeks pregnant symptoms such as cramping and discharge are also referred to as implantation symptoms as this is when the egg attaches itself to the uterine lining in order to obtain nutrients. After implantation takes place, many changes occur in the body. Hormonal levels also elevate considerably. The symptoms of pregnancy do not occur until about a week or two after a missed period. Increased urination is another sign that occurs in early pregnancy. This is also likely to last for many weeks after that. Some women may find it difficult to urinate.
These symptoms are associated with changes in the reproductive system after pregnancy takes place. There is an increase in the blood supply to the reproductive organs soon after conception. Due to this and the development of the embryo, the uterus changes in many ways. This can result in bladder irritation. By the fourth month, these symptoms are likely to subside. But they may become apparent once again as the pregnancy nears the end. There are several other 3 weeks pregnancy symptoms before a missed period, but as these are generally very mild, they are only apparent in hindsight.
It is also possible that 3 weeks pregnant symptoms can be aggravated by certain infections. The most common of these is yeast infections which are caused by the candida fungi. The elevated estrogen levels in pregnancy results in excess glycogen production in the vagina and this leads to growth of yeast. The common symptoms of a yeast infection include itching, irritation, redness and discharge. This type of infection generally does not harm the baby. However, infections that occur during labor may pass on to the newborn baby.
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