How do you become pregnant?
Check your calendar, know when you ovulate, make sure the atmosphere is right...How do you really get pregnant? Does it have to be so complicated or is having sex enough? We're talking about fertility and how to become pregnant.
3 min read
Reviewed by Jenny Jansson
It takes most women a year to become pregnant. If you're trying to have a baby the general advice is to have sex a couple of times a week. It's less stressful and you'll feel less pressure when you don't have to constantly think about where you are in your cycle. Around eight out of ten women who have regular sex become pregnant within twelve months. Sex around ovulation increases the likelihood of fertilisation. It can be hard to know when ovulation will occur.
When ovulation occurs a mature egg is released from your ovaries and travels down your Fallopian tubes. This happens once a month, about two weeks before your period. The egg can be fertilised by a sperm. Once an egg has left the ovary, it needs to be fertilised by a sperm within 24 hours. Sperm can survive in the Fallopian tubes for around five days while waiting for an egg.
When an egg and a sperm combine, an embryo begins to form, which is called fertilisation. The embryo then develops in the mother's womb into a foetus, which then becomes a child when it is born.
Sperm collects in the testicles. When the man ejaculates, semen comes out of the penis - a mixture of sperm and various fluids from the seminal vesicles and prostate gland. When the penis ejaculates, the sperm swim into the vagina, a few millimetres per minute, through the uterus and into the Fallopian tubes. There are millions of sperm in an ejaculation, but in the end, only a single sperm can enter the egg and fertilise it.
When the egg is fertilised the cells immediately begin to divide. They multiply until they become a small clump of cells. The cell clump continues to move through the Fallopian tube to the uterus and gets stuck in the uterine lining about a week after conception, where part of the cell clump attaches to the uterine wall. The part of the cell clump that attaches there will develop into the placenta, which nourishes the foetus in the womb. The other part of the cell clump is called the embryo. These are the cells that will soon be a baby. Both the egg and the sperm contain a genetic predisposition and it is the sperm's genetic predisposition that determines which biological sex your child will be.
Twins happen when two eggs mature and loosen at the same time. If both eggs are fertilised dizygotic twins develop. If a fertilised egg splits and two embryos develop monozygotic twins develop. Very rarely does an egg/or eggs divides into three embryos and triplets develop.
If fertilisation doesn't work with vaginal sex it can work with insemination. This means that sperm is injected into the uterus using a syringe and a plastic tube.
Fertilisation can also be carried out using IVF (In vitro-fertilisation). Mature eggs are harvested from the ovaries and fertilised by sperm outside the body. Then the fertilised egg is inserted back into the body.
Reviewed by Jenny Jansson
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