Caffeine can cause lazy tubes?

Jun 09, 2011 | Fertility Care
Over a year ago, I summarized what I think is one of the best studies looking at the relationship between caffeine and fertility: There is new research that may lead me to change how I talk to my patients about caffeine. According to a study published recently in the British Journal of Pharmacology, caffeine appears to reduce the muscle activity in the fallopian tubes that carry eggs from the ovary to the uterus. Before you start feeling guilty for your morning cup of coffee, you should realize that the study was conducted in mice, so it's not certain how these results apply to people. Many of my patients don't realize that a sperm cell meets the egg in the fallopian tube. The fallopian tubes are attached to the sides of the uterus. Fertilization actually occurs in the tube and over the course of a few days, the embryo travels down the tube until it lands in the uterus where it will hopefully then implant (stick to the wall of the uterus). So if a fallopian tube can't do what it needs to do (help transport the embryo into the uterus and nourish the embryo) it will be hard to...

Caffeine – How Much is Too Much?

Patients are always asking me, "How much coffee can I drink while trying to conceive?"  There have been studies showing a link between caffeine and miscarriage and studies that show no link. Wouldn’t you think that women in these studies recorded how much caffeine they consumed daily followed by an analysis of their pregnancy outcome? None of these studies were done that way. They were all done by recall. This means women were asked to remember how much coffee they drank when they were pregnant. Researchers then came to some conclusion about what it all means. Researchers from Johns Hopkins School of Public Health recently published their findings which showed no link (more…)