Friday, November 11, 2011

Pregnancy

What is pregnancy?
Pregnancy is the term used to describe when a woman has a growing fetus inside of her. In most cases, the fetus grows in the uterus.


Human pregnancy lasts about 40 weeks, or just more than 9 months, from the start of the last menstrual period to childbirth.


What are the signs of pregnancy?
The primary sign of pregnancy is missing one or more consecutive menstrual periods.  

However, because many women experience menstrual irregularities that may cause missed periods, women who miss a period should see their health care provider to find out whether they are pregnant or whether there is another health problem.

Others signs and symptoms of pregnancy may include:

Nausea or vomiting, morning sickness
Sore breasts or nipples
Fatigue
Headaches
Food cravings or aversions
Mood swings
Frequent urination


How do you get pregnant?



A woman usually becomes pregnant after having sexual intercourse. This is where a man puts his erect penis inside a woman's vagina. The friction caused by moving his penis in and out of her vagina will cause him to get increasingly excited until eventually he ejaculates and releases a sticky white substance called semen. This semen contains millions of tiny sperm cells, which then swim up the woman's vagina, into her uterus and then into her fallopian tubes where they may join with the tiny egg that she releases from one of her ovaries every month. If this 'joining' (also known as fertilisation) occurs, then she will become pregnant. 

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