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.
One common type of a graph is a hierarchy, an example of which is a businessâs organization chart: In this graph, the objects are people, and the connections in the graph show who reports to whom in the company. An upward line on our graph says that the person lower on the graph reports to the person above them.