In recent time, more and more couples all around the world have successfully imposed a limit on the number of children they have in spite of strong opposition from various religious groups. Birth control is the most prominent need of our time, at least for underdeveloped and developing countries.
Many couples are still uninformed about conception. They do not realize that pregnancy can happen from a single act of intercourse or that the few drops of fluid that sometimes appear on the tip of the penis during the excitement contain sperm which can be transferred by hand or penis to the vagina . Whenever a woman is ovulating there is the possibility of conception. And opposing to popular belief, ovulation can occur even during menstruation period.
The contraceptive pill is a birth control drug containing synthetic oestrogen and progesterone in dosages that alter normal menstruation so that ovulation does not occur. When it first came out, the number of side effects reported made many women unwilling to use it. But modern research has reduced many of these side effects by discovering that a milder dosage is just as effective and is safer for use over a long period of time.
The modern pill is the result of proud efforts of many researchers. They realized that during pregnancy, when ovulation and periods cease, levels of oestrogens and progesterone in the blood are naturally high. If they could manage to produce a state of pseudo pregnancy by giving extra doses of these hormones, ovulation would be halted and conception would not occur.
Contraceptive pills are 99% reliable provided it is taken regularly for a fixed number of days within a 28-day cycle. It is not costly either. Some women feel side effects such as nauseas or changes in menstrual flow. The pill is not recommended to any woman after the age of 40. There is no evidence that the pill encourages breast cancer, on the contrary it may actually reduce such risks.
In most women, breast feeding postpones ovulation and therefore, likelihood of conception for about six months after child birth is very less. But there is no scientific backing of this fact. Douching is also regarded as ineffective contraceptive procedure, by the time it happens, many sperms have already entered the uterus and began their journey towards the oviduct.
Withdrawal method is also considered as contraceptive method in which the man withdraws the penis from the vagina just before ejaculation. But this technique is not reliable because the penis often releases semen containing sperm even before ejaculation, and because many men find it difficult to withdraw near the peak of sexual excitements.
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