It is recommended you receive the rubella vaccination at least one month before trying to become pregnant. TDapâthe TDap vaccine protects against tetanus, diphtheria, and whooping cough (pertussis). This vaccine can be used either before pregnancy or after the 20th week of pregnancy.
Ogive. An Ogive (pronounced O-Jive) is a graph that represents the cumulative frequencies for the classes in a frequency distribution and it is a continuous frequency curve. Ogive has the shape of an elongated 'S' and is sometimes called a double curve with one portion being concave and the other being convex.
Origin of ogive. Middle English ogif and French ogive, diagonal rib of a vault, both from Old French augive, probably from Vulgar Latin *obviat&imacron;va, from Late Latin obviata, feminine past participle of obviare, to resist; see obviate.