So far as overall improvement is concerned, a. boar has far more influence in a herd than the. average sow. Because a boar has such a. tremendous influence within a herd, careful. consideration should be given to his selection, management and replacement. On many farms productivity and profitability are.
Some of the other benefits include: 1  Preventing cancer on the lining of the uterus. 2  No daily pills required. 3  Contains no estrogen (for women who are breastfeeding)  Private method of birth control (no messy packaging left 1  around) Improved sex life (feel more spontaneous)  No prep work before having sex (as required for condoms)
A Brigham and Women's Hospital answered. Depo-Provera is a hormone injection used for birth control. It is administered starting within the first five days of your period, then every 12 weeks thereafter. Working similar to a birth-control pill, Depo-Provera has the hormone progestin, which changes the lining of the uterus, making it difficult for sperm to fertilize an egg. In the weeks between shots, you do not have to use other contraceptive methods. It is 99% effective in preventing pregnancy.