Medical Definition of TRANSDUCTION. 1. : the action or process of converting something and especially energy or a message into another form. 2. : the transfer of genetic material from one organism (as a bacterium) to another by a genetic vector and especially a bacteriophageâcompare transformation 2.
Having cramps once you're past 37 weeks may mean you're in the early stages of labour. At this stage your pregnancy has reached term, so the cramps are a normal part of your body gearing up to give birth.
The following are cause of cramping during the first trimester: 1  Implantation Cramping: Implantation cramping occurs between 8 and 10 days after ovulation. 2  Stretching of Uterus: Ligaments that support the uterus expand to accommodate the growing uterus, thus causing abdominal cramps.