There are 7 life stages that the majority of people live through, these life stages are listed below with the; physical, intellectual, Emotional and social factors that happening during these 7 life stages. Conception-
Physical - Conception starts when the egg meets the sperm and a baby is conceived. The egg is realised from the ovaries and travels down the fallopian tubes towards the uterus. After sexual intercourse has taken the place, the sperm is then ejaculated from the penis and enters the virgin. The sperm then passes through the cervix and travels to the uterus where it meets the egg. When the egg is realised it stays in the uterus for up to 5 days however the sperm only stays in the uterus for 3 days. As it only takes one sperm to fertilise an egg, the genetic material in the sperm meets with the genetic materials of the egg which then starts a new life.
As a women realises thousands of eggs a year, only around half of these egg are fertilised eggs that are able to develop into babies.
Pregnancy-
Physical - Pregnancy begins when the sperm meets the egg. Within a day of meeting the single fertilised egg beings to divide, which allows the new eggs to make the fertilised egg the size of a pinhead. When this has happened the collection of eggs then travel to the lining of the uterus where it becomes anchored. Once the developing collection of cells has happen, this is then called an embryo where it is attached to the wall of the uterus where it beings to grow. As soon as the embryo has attached its self to the wall of the uterus, it then sends a chemical signal that stops the women from having another period. However sometimes this message is not sent, causing a women to still have a period while pregnant. After 8 weeks the embryo has grown approxitey 3-4cm. By this time the embryo has a recognisable heartbeat and the development of the eyes, ears, mouth, arms and legs begin, this is called a foetus. However by 20