Does coffee healthy caffeine prevent women from getting pregnant?

Recently, a biological study from Macquarie University in Australia has unexpectedly found that caffeine, the main ingredient in coffee, may directly affect women's pregnancy to some extent. Although researchers say more evidence is needed to draw a conclusion on the study, medical experts involved in the work have begun to suspect that caffeine may contribute to early threatened abortion in pregnant women. According to the researchers, "through this study, we found that caffeine, as a substance that can affect women's physiological changes, can change the relationship between estrogen and pregnancy hormones in women to a certain extent." thus indirectly inhibit the cultivation of fertilized eggs in the womb. "

In addition, medical researchers believe that pregnant women are more likely to have early threatened miscarriages if pregnant women or their spouses smoke and drink too much.