Put ice over the fractured rib. Apply an ice pack, frozen gel pack or bag of peas from the freezer onto your rib injury for about 20 minutes every hour you are awake for the first two days, then reduce it to 10 â 20 minutes three times daily as needed to reduce pain and swelling.
1 Oral progesterone, such as Prometrium, is a natural form of the hormone used to help supplement the luteal phase during fertility treatments such as intrauterine insemination (IUI).  Progesterone suppositories, such as Endometrin and Cyclogest, are made of natural progesterone and are inserted into the vagina.
In the luteal phase following ovulation, estrogen and progesterone are secreted by the corpus luteum, which forms through the action of luteinizing hormone (LH). The corpus luteum continues to be the source for estrogen and progesterone in early pregnancy.strogen and Progesterone in Pregnancy. The goal of this page is to gather together the information discussed in lecture about the functions of estrogen and progesterone at each step in pregnancy.