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Infertility defined as trying to conceive for a year or two without success has many possible causes. True medical causes such as blocked fallopian tubes, endometriosis, retrograde ejaculation or a varicocele require fertility treatment.

Lifestyle and behavioral factors are another possible reason for infertility. Is there a link between junk food and not being able to conceive? 

Trying to conceive without success

Around 80 percent of all couples who have regular unprotected sex get pregnant within six months of trying, while 90 percent will conceive within a year. Those couples who are concerned that they are not pregnant yet should examine whether they are having sex at the right times first. The odds of conceiving go up for couples who have sex every few days these couples will probably end up having intercourse during the woman's fertile window as well. Using ovulation tests or charting fertility, so that the woman's ovulate date is certain, is one way of making sure a couple is intimate at the right time of the month. After a year, couples who would like to have a baby will benefit from seeing a doctor about their failure to conceive.

One in five couples are affected by infertility, and finding the cause in your own case may take quite a while. "Just lose weight" may be just as insulting as "relax, and it will happen" for someone who is slightly overweight and can't get pregnant. Research does show that fertility goes down in both men and women who are obese, however. Junk food diets often play a role in obesity, and these same diets can also lead to nutritional deficiencies which can definitely reduce your chances of conceiving. Taking a critical look at your health and lifestyle is in order before you start trying for a baby. Most people stop drinking alcohol and quit smoking before they try to get pregnant. Junk food can easily be added to that list of required things people who want to get pregnant should give up. If you enjoy junk food once in a while, your health and weight won't be affected. Those who live on a diet of highly processed foods rich in fat and low on vitamins and minerals will quite obviously be less healthy.

Fertility and obesity

A Dutch study from 2007 shows that severely obese women are 43 percent less likely to conceive during any one menstrual cycle than either women who are at a healthy weight or those who are slightly overweight but not obese. In this study, over 3,000 couples who didn't have obvious fertility problems were followed. All took longer than a year to conceive, and all female partners ovulated normally while the men had normal sperm. Obesity is known to affect a woman's chances of ovulating negatively, but apparently even obese women who have no problems with their ovulation have a reduced chance of conceiving. It's not clear why, but it's yet another reason to work on achieving a healthy weight. Hormonal unbalances, which can be caused by obesity, are another factor in infertility.

Polycsystic Ovary Syndrome, a hormonal disorder with similar symptoms as diabetes, can cause both obesity and infertility. Those women who are obese without knowing why, especially if they also have an overgrowth of facial and body hair, may consider talking to their doctor about PCOS.

Nutritional deficiencies when you are trying for a baby

Weight loss will boost your chances of conceiving all in itself if you are overweight or obese, but it is very important to watch the quality of the calories you consume, as well as their quantity. Junk food diets lack vitamins and minerals, building blocks every person needs to remain healthy. Couples who are trying to conceive benefit from a preconception checkup with their doctor, and they would ideally get a blood test for nutritional deficiencies as well. Of course, those who consume large amounts of junk food can guess that they may be deficient in some vitamins or minerals, and can take steps to improve their diet even without having blood work done.

Research has shown a link between infertility and deficiencies in vitamin D, vitamin E, zinc, calcium, magnesium, vitamin A, folic acid, and vitamin B12. Take a multivitamin if you are deficient, and consider talking to a nutritionist about how to improve your diet in the long-term if you are having difficulties. Losing weight, and improving the quality of your diet, can be a challenge but it can be overcome!

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