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How girl produce baby

Sure, you know the basics about how babies are made — a man and woman have sex and nine months later, a beautiful baby is born. But there's actually a lot more to it than that. For women, a potential pregnancy begins in the ovaries, those two almond-shaped glands attached to either side of the uterus. See illustration below. Ovaries come fully stocked: You are born with 1 to 2 million eggs — more than a lifetime's supply.

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How to make a girl or boy baby

Sure, you know the basics about how babies are made — a man and woman have sex and nine months later, a beautiful baby is born. But there's actually a lot more to it than that. For women, a potential pregnancy begins in the ovaries, those two almond-shaped glands attached to either side of the uterus. See illustration below. Ovaries come fully stocked: You are born with 1 to 2 million eggs — more than a lifetime's supply.

The eggs begin dying off almost immediately, and no more are ever produced. Altogether, you probably release about eggs over the course of your reproductive years, beginning with your first period and ending with menopause usually between ages 45 and During the middle of the menstrual cycle, most likely sometime between the 9th and 21st days for women with a day cycle, an egg reaches maturity in one of her two ovaries, then is released and quickly sucked up by the opening of the nearest fallopian tube.

These two 4-inch canals lead from the ovaries to the uterus. This release, called ovulation , starts the conception clock ticking. The egg lives only about 24 hours after ovulation, so it has to be fertilized soon for conception to happen. If your egg meets up with a healthy sperm on its way to the uterus, the two can join and begin the process of creating a new life.

If not, the egg ends its journey at the uterus, where it either dissolves or is absorbed by the body. When pregnancy doesn't occur, the ovary eventually stops making estrogen and progesterone hormones that help maintain a pregnancy , and the thickened lining of the uterus is shed during your period. A man's body is almost constantly at work producing millions of microscopic sperm, whose sole purpose is to penetrate an egg. While women are born with all of the eggs they'll ever need, men aren't born with ready-made sperm.

They have to be produced on a regular basis, and from start to finish it takes 64 to 72 days for new sperm cells to develop. The average sperm lives only a few weeks in a man's body, and about million are released with each ejaculation. That means new sperm are always in production. Sperm begin developing in the testicles, the two glands in the scrotal sac beneath the penis. See illustration above. The testicles hang outside a man's body because they're quite sensitive to temperature.

To produce healthy sperm, testicles have to stay around 94 degrees Fahrenheit — about four degrees cooler than normal body temperature. The sperm are stored in a part of the testicle called the epididymis before mixing with semen just prior to ejaculation. Despite the millions of sperm produced and released with each ejaculation, only one can fertilize an egg — this is the case even for identical twins.

The sex of the resulting embryo depends on which type of sperm burrows into the egg first. Sperm with a Y chromosome make a boy baby, and sperm with an X chromosome make a girl. Plenty of myths about how to choose a baby's sex have been circulating for centuries.

Some are backed by a bit of scientific evidence, but a child's gender is pretty much randomly determined. Besides being pleasurable, that wonderful sensation known as an orgasm also has an important biological function. In men, having an orgasm propels sperm-rich semen into the vagina and up against the cervix, helping them reach the fallopian tubes minutes later. This gives sperm a head start on their way to the egg. A woman's orgasm also might help conception: Some studies suggest that the wavelike contractions associated with the female orgasm pull sperm farther into the cervix but other research says there's no real evidence this is true.

Still, having an orgasm couldn't hurt — and just might help — your chances of getting pregnant. Many couples also wonder whether a particular sexual position is best for baby-making. You may have heard that certain positions are the best because they allow for deeper penetration, but there is no evidence that sex position has any effect on pregnancy rates.

But do whatever you like. The most important thing about sex is that you're both having a good time and you're doing it frequently enough to have live sperm in the woman's reproductive tract during ovulation. That means you should aim to make love at least every other day during the middle of your cycle.

At this point, you can't do much except cross your fingers and hope. You may have heard that it helps if the woman stays on her back afterward with a pillow elevating her bottom so gravity can help the sperm get to the waiting egg, but there is no evidence this helps achieve pregnancy. While you and your partner are cuddling, a great deal of activity is taking place inside your body.

Those millions of sperm have begun their quest to find the egg, and it's not an easy journey. The first obstacle is the acid level in your vagina, which can be deadly to sperm. Then there's your cervical mucus, which can be impenetrable, except on the days when you're most fertile. Then it miraculously thins enough for a few of the strongest sperm to get through.

But that's not all — the sperm that survive still have a long road ahead. In all, they need to travel about 7 inches from the cervix through the uterus to the fallopian tubes. If there isn't an egg in one of the fallopian tubes after ejaculation, the sperm can live in the woman's reproductive tract for up to five days.

Only a few dozen sperm ever make it to the egg. The rest get trapped, head up the wrong fallopian tube, or die along the way. For the lucky few who get near the egg, the race isn't over. They still have to penetrate the egg's outer shell and get inside before the others. And as soon as the hardiest one of the bunch makes it through, the egg changes instantaneously so that no other sperm can get in. It's like a protective shield that clamps down over the egg at the exact moment that first sperm is safely inside.

Now the real miracle begins. The genetic material in the sperm combines with the genetic material in the egg to create a new cell that starts dividing rapidly. You're not actually pregnant until that bundle of new cells, known as the embryo, travels the rest of the way down the fallopian tube and attaches itself to the wall of your uterus.

However, if the embryo implants somewhere other than the uterus, such as the fallopian tube, an ectopic pregnancy results. An ectopic pregnancy is not viable, and you'll either need to take medication to stop it from growing or have surgery to prevent your fallopian tube from rupturing. That final leg of the trip can take another three days or so, but it may be a few more weeks until you miss a period and suspect that you're going to have a baby.

If you miss your period or notice another sign of pregnancy , you can use a home pregnancy test to find out for sure if you have a little one on the way. Your Pregnancy and Childbirth: Month to Month.

Washington, D. Stanford JB et al. Timing intercourse to achieve pregnancy: Current evidence. Obstetrics and Gynecology 6 Wilcox AJ et al. Timing of sexual intercourse in relation to ovulation. The New England Journal of Medicine 23 The timing of the "fertile window" in the menstrual cycle: Day specific estimates from a prospective study.

BMJ Join now to personalize. By Kate Marple. Medically reviewed by Emily Hu, M. Photo credit: iStock. How do women's eggs develop?

How do men make sperm? Does having an orgasm help baby-making? Which sperm gets to the egg first? Here are all the fascinating biological facts about getting pregnant. Show sources ACOG. Kate Marple. Featured video. Sex for Getting Pregnant. How to keep sex smokin' when trying to conceive. Can having too much sex affect our chances of conception?

Are your chances of getting pregnant better if you have sex in the morning? Tips for Getting Pregnant. Can I get pregnant if I have sex during my period? Can you get pregnant on or right after your period?

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Getting pregnant: How babies are made

Do you have visions of pink or of blue in your future? Whichever you have your heart set on, there are some ways — both scientific and silly — that just may manipulate Mother Nature and increase your odds of conceiving a boy or a girl. Take a look at these gender selection options:. If you and your partner are conceiving the old-fashioned way i. But as you might imagine, these methods are also less effective — and have not been shown to be any more successful than just letting nature take its course.

Fertility Throughout Life by Lexi Krock Fetus Male: By the tenth week of pregnancy, a fetus's gender is evident, and by week 14 sex organs have formed. Female: At 20 weeks, a female fetus has a fully developed reproductive system, replete with six to seven million eggs.

I am one of three sisters; my mom has three sisters, and my dad has three sisters. My husband and I have two girls. Ok, fine. Got it.

How to Have a Boy or a Girl

If you're already expecting then you'll probably want to know if you're having a boy or a girl, but if you're yet to conceive you might be interested in how to conceive a girl or how to conceive a boy, before you get pregnant. Want to know how to conceive a girl or boy? There are of course medical ways to choose whether you conceive a girl or a boy, but these are currently illegal in the UK, other than in exceptional health-related circumstances. Here are the most common ideas about how best to conceive a boy or girl, should you wish to choose…. In , an American professor of gynaecology, Dr Shettles, published his book, How To Choose The Sex Of Your Baby, which introduced the theory that male sperm are fast but weak and that female sperm are slower but more resilient. To boost your chances of conceiving a girl, you need to have sex two to three days before ovulation, as female sperm have more staying power. This makes the journey harder, supposedly favouring sperm with X chromosomes, which Shettles says are stronger. A study at the University of Missouri found that mice gave birth to more females if they were fed diets low in saturated fats and high in carbohydrates. This is based on the idea that there are four mineral salts in the body — calcium, magnesium, sodium and potassium — which can affect the way an egg is fertilised.

Gender selection: How to conceive a girl or boy

We can't offer any guarantees, but hey, there's no harm in trying! Are you desperate for a boy or a girl baby? Just remember, the information here is just a guide, a bit of fun. It is always the man who determines the sex of the baby.

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Feb 12, - Doctors weigh in with what can genetically impact the sex of a baby. An X and Y combine to make a boy, while an XX make a girl.” Ok, we got.

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Comments: 3
  1. Duzilkree

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  2. Fegul

    You are certainly right. In it something is also to me this thought is pleasant, I completely with you agree.

  3. Tegrel

    Instead of criticism write the variants.

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