The corpus luteum produces progesterone. Progesterone makes the lining of the uterus thick for implantation and is necessary to sustain a healthy pregnancy. The corpus luteum produces progesterone until the placenta begins to take over progesterone production around ten weeks gestation.
Starting Salary. Individual salaries vary according to factors such as location and type of industry. Entry-level mechanical engineers holding bachelor's degrees earned average annual starting salaries of $58,600, according to the National Association of Colleges and Employers' Spring 2012 Salary Survey.
Average Mechanical Engineer Hourly Wage in the United States. Mechanical Engineers earn a median hourly wage of $40.19. Hourly wages typically start from $25.79 and go up to $61.74. Average Mechanical Engineer Yearly Salary in the United States. Mechanical Engineers earn a median salary of $83,590 per year. Salaries typically start from $53,640 and go up to $128,430. Learn more about the Mechanical Engineer job market for salaries of real jobs in your area.