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.
1 E is the edge set whose elements are the edges, or connections between vertices, of the graph. 2  This set is often denoted or just. 3  If the graph is undirected, individual edges are unordered pairs where and are vertices in. 4  If the graph is directed, edges are ordered pairs.