The stalked barnacle Pollicipes pollicipes (Gmelin, 1789), is a strictly littoral and essentially intertidal pedunculate cirripede that lives by forming dense aggregates or clumps on exposed rocky shores and cliffs associated with a high degree of hydrodynamism (Barnes 1996).
Since some women are unsure of the date of their last menstruation (perhaps due to period irregularities), a baby is considered full term if its birth falls between 37 to 42 weeks of its estimated due date. 1  The unborn baby spends around 37 weeks in the uterus (womb), but the average length of pregnancy, or gestation, is calculated as 40 weeks.
ACOG and SMFM now define a full-term pregnancy as a pregnancy that lasts between 39 weeks, 0 days and 40 weeks 6 days. Babies born full term have the best chance of being healthy, compared with babies born earlier or later.The definitions are: 1  Early term: Your baby is born between 37 weeks, 0 days and 38 weeks, 6 days. Early term: Your baby is born between 37 weeks, 0 days and 38 weeks, 6 days. 2  Full term: Your baby is born between 39 weeks, 0 days and 40 weeks, 6 days. 3  Late term: Your baby is born between 41 weeks, 0 days and 41 weeks, 6 days.