Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days, followed by 7 days when no hormones are ingested. which of the following statements most accurately describes the effects of birth-control pills? birth-control pills maintain constant levels of estrogens and/or progesterones and mask the release of the oocyte from the follicle. birth-control pills maintain constant levels of estrogens and/or progesterone so there is no surge in lh and ovulation does not occur. birth-control pills inhibit the development of the uterine lining so implantation of a fertilized oocyte cannot occur. the 7 days with no hormones does not allow a thick enough uterine lining to form so a fertilized oocyte cannot implant.

Birth-control pills maintain constant levels of estrogens and/or progesterone so there is no surge in LH and ovulation does not occur.

While some birth controls are different, the most common prevent the egg of the month from dropping into the oviduct by releasing chemicals into a woman's body. You must take pills for a month before this takes place. You will still have your period.

it says days

explanation:

he can sleep nights. hope this

no, because those are both different running competitions. while distance runners train their legs and their lungs to run long amounts of time, the sprinters are training their legs and their lungs to give all they have in the little amount of area they need to cover. the brain also plays a huge part in all of this.

the brain is the only thing in your body that sends messages to your body telling you to run. if you are a long distance runner and you have the mind set of a sprinter, you will not get anywhere. if you have a long distance mind set and you have to run 200m in 20 seconds then you will not make it in time.