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.
Cramping, which may be felt during the first weeks of pregnancy, have several parameters that must be known: 1  Duration: cramps are usually brief spasms, which last for several seconds, minutes or for a couple of hours maximum; sometimes they may stop for a few days and then appear once more.