Factory Pattern. 1  Factory pattern is a creational design pattern. 2  Idea of the factory patterns is to localize the object creation code. 3  This prevents disturbing the entire system for a new type introduction.
The average maternity leave in the U.S. is about 10 weeks, but about half of new moms took at least five weeks, with about a quarter taking nine weeks or more, figures showed.
SECOND STAGE: The period of pushing the baby down the birth canal out the vaginal opening, into the world. THIRD STAGE: Expulsion of the placenta. An average length of labor for a woman having her first child is 12 to 18 hours.An average length of labor for a woman having her second or more child is considered to be about 7 hours.*Please remember that there are no two human bodies alike and that the information given here may be used as guidelines to understanding but may or may not apply directly to your birth experience.abor is an end to pregnancy and a beginning for a new human life in a newly shaped family.. The Birth Primer by Rebecca Rowe Parfitt Medically, labor is broken down into 3 separate periods: FIRST STAGE: The period during which the cervix effaces, and dilates from 0-10 centimeters.