00:00:00
Contraceptives, the availability of many of the methods used a lot of people can avoid
00:00:04
Unintended pregnancy. But what happens when things do not go as planned?
00:00:08
Thanks to modern science possible to get another chance. How can operate the emergency plan
00:00:12
To prevent pregnancy or "Plan B"? And what exactly happens inside a woman's body?
00:00:17
During the menstrual cycle, is the secretion of many hormones
00:00:21
That causes a series of reactions. Secreted by the pituitary gland in the brain follicle-stimulating hormone
00:00:25
Which stimulates of ovarian Ahoish growth and is an indication of the start of ovulation in the ovaries.
00:00:29
After that ovarian follicles secrete estrogen
00:00:31
Helping to prepare the lining of the uterus and urges the brain to secrete
00:00:35
Steroid hormone yellow body. The body-stimulating hormone yellow stimulate the start of the ovulation process where the egg is sent
00:00:39
To the fallopian tube where settle for about 12 to 24
00:00:42
Hours for enrichment. If the egg is not fertilized at this time
00:00:46
Degradation and alienation begins with the lining of the uterus during menstruation.
00:00:50
Although this brief opportunity, but the possibility of enrichment rises due to the fact that sperm
00:00:54
Can be kept alive for up to five days.
00:00:56
So sperm up there since the days of stable, early eagerly to the scene view
00:01:00
Start the process of ovulation.
00:01:01
When you take a pill regularly, be modified levels of these hormones. By
00:01:05
Increased levels of progesterone body that he believes has already produced an egg
00:01:09
Or got pregnant.
00:01:10
Who shall reduce levels of body-stimulating hormone yellow and follicle-stimulating hormone depend session. But in the case of
00:01:15
Contraceptives in emergency situations, which are used only when the failure
00:01:19
Contraceptive regular,
00:01:20
Different mechanisms are employed. What we must understand
00:01:24
Is that fertilization does not occur immediately, but even it does not happen within hours
00:01:27
Of sexual intercourse. Sperm be subject to certain biological changes
00:01:32
While in the fallopian tube, which may take a long time. This is the reason that contraception in emergency situations
00:01:36
Be effective the next morning.
00:01:38
May be effective up to five days after intercourse. If what has been covered during the
00:01:42
The first half of the menstrual cycle, operate and contraception in emergency situations
00:01:45
Specifically on preventing ovulation.
00:01:48
And so, the egg is not released despite being ready
00:01:51
And sperm can not fertilize existing.
00:01:53
In cases where too late to prevent ovulation
00:01:55
Believed that the pill in cases of emergency also increase the intensity of mucus in the cervix, which is surrounded sperm
00:02:00
As well, which may directly prevents fertilization between the sperm egg.
00:02:04
Clinical studies show that emergency contraceptive pills prevent pregnancy
00:02:08
Before fertilization. And did not show any studies of the effectiveness of these pills
00:02:12
In the event of a pre-fertilization. They do not prevent
00:02:16
Anzeraa sperm and does not have any effect after the occurrence of
00:02:20
And so, I do not have the ability to cause an abortion.
00:02:23
Although there are some minor side effects of these drugs, such as nausea and headaches,
00:02:27
Scientific studies have shown the safety of use by women of all ages
00:02:31
Where the benefits far outweigh the risks. Do you have a pressing question you want to know the answer? Write a comment below or ask on our
00:02:36
On Facebook, Twitter, and Subscribe to the channel to get more video clips scientific weekly basis.
русский▼
English
