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Pregnancy After Menstruation
When does the menstrual bleeding takes place? After ovulation or before? What is the safest time for sex during it?
(17 Aug 2009)
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Your body goes through a cycle of physiological changes and this cycle is called the menstrual cycle. This is cycle is required for reproduction that takes place in women. This cycle has three phases; the first phase is menstruation, after which comes the follicular phase followed by the luteal phase.
Ovulation, by definition, is the transition that takes place from the follicular phase into the luteal phase. The duration of these phases is different for every woman and for every cycle. Contraception methods are used to initiate hormonal changes with the purpose of preventing reproduction.
Your menses first slow down and then stop depending on the stimulus that is caused due to the increased estrogen amounts while in the follicular phase. The ovary is where the follicles start their development. During the middle of your cycle, which is generally a day or two after surge of the luteinizing hormone, the follicle that is dominant releases an ovum, which is also called the egg and this process, is called ovulation. Post ovulation, eggs are alive only for a day or less without it being fertilized. As progesterone starts affecting the uterus, the lining of the uterus undergoes a change to prepare itself for an embryo to be implanted, which results in pregnancy. Implantation needs to happen within two weeks or the corpus letum will involute and the result will be a sharp drop in the levels of hormones causing menstruation. Menopause marks the end of the reproductive period in women and this is when women cease to have their menstrual cycles.
During ovulation, comes a stage when the egg is almost mature and the follicle walls start weakening in the ovary. This causes the release of the secondary oocyte from the developed follicle. This release further matures and turns into an ootid and finally takes the shape of a mature ovum. After the egg is released from the ovary, it moves to the fallopian tube. After a day, the unfertilized egg tends to disintegrate or dissolve within the fallopian tube. If fertilization takes place, the development process of the eggs begins immediately. The embryo that is in development reaches the uterus in approximately three days.
The most likelihood of getting pregnant, which is considered the fertile period, is five days before and one or two days after ovulation takes place. A variety of methods are available to help women estimate the fertile and the relatively infertile days in their cycle. A woman's fertility is also affected by her age. It is best to map your cycles for a few months to determine the length of your cycle as it can vary.
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answered by G M on 17 Aug 2009, 2:11:59
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