Fat ice cream and milk may help woman shoot for pregnancy

A new US study suggests that eating low fat dairy food every day can reduce a woman's fertility by affecting ovulation.

The study is published in the journal Human Reproduction. The study showed that women who ate more than two portions a day of low fat dairy foods were 85 per cent more likely to be infertile due to ovulatory disorders than those who only ate it less than once a week.

Conversely they found that women who ate full-fat dairy foods, including ice cream, more than once per day had a 25 per cent reduced risk of infertility due to ovulatory disorders compared to those who ate full-fat dairy foods only once a week.

Previous studies have suggested that dairy foods can interfere with ovulation, but few of them have been on humans and they are inconsistent. The researchers in this study wanted to assess to what extent the fat content of dairy foods in a woman's diet might be linked to infertility due to ovulation problems.

The researchers concluded that "High intake of low-fat dairy foods may increase the risk of anovulatory infertility whereas intake of high-fat dairy foods may decrease this risk", reports Medical News Today.

According to MedPage Today, low-fat dairy foods included yogurt or sherbet, skim or low-fat milk, and low-fat cottage cheese. High-fat foods included whole milk, ice cream, whipped or heavy cream, sour cream, cream cheese, and other cheeses.

The study also found that the more ice cream the women ate, the lower their risk, so that a woman eating ice cream two or more times a week had a 38% lower risk compared with a woman who ate ice cream less often than once a week.

Intakes of lactose, calcium, phosphorus, and vitamin D were unrelated to anovulatory infertility, the researchers reported. It had been thought that dairy fat and lactose might impair fertility by affecting ovulatory function, they said. However, few studies have been conducted in humans, and the results are inconsistent.

In the current study, there was neither a positive nor a negative association for lactose and fertility within the usual range of intake levels in humans, they said.

In discussing the association between the low-fat diet and infertility, the researchers discussed the possibility that women with or with suspected polycystic ovary syndrome who changed their diet to include more low-fat foods would be likely to have anovulatory infertility. This was not the case in these data, the researchers said.

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Author`s name Editorial Team