Conception to pregnancy how long can,40 4 weeks pregnant no signs of labor,baby growth during pregnancy week by week pictures - Easy Way

In her books, The Garden of Fertility (2004) and Honoring Our Cycles (2006), Katie Singerintroduces Fertility Awareness (also called Natural Family Planning).With these methods, a woman who charts her temperature and cervical mucus can know when she is fertile and infertile. Before explaining the process of conception and fertilization, we need to understand what happens during a menstrual cycle and ovulation. Our ovaries are quite small, approximately 4 cm in diameter, yet work extremely hard from the time of puberty to menopause.
A baby girl is born with all her eggs (around 2 million of them) already stored in her ovaries. Between puberty and menopause only a small percentage of these eggs (±400 to 500) will reach maturity during ovulation and be ready for fertilization. The reason you have so many eggs is that it is not just one oocyte that develops and matures each menstrual cycle, a number start the process to maturation but only one will dominate and be released at ovulation (ovum is released). Normally only one ovum is released at ovulation but more than one can occasionally be released such as in non-identical twins. Starting at the top and going clockwise, you can see that inside the ovary the eggs are enclosed in a follicle until the ovum is released at the time of ovulation.
Once ovulation occurs, the corpus luteum starts producing more progesterone and less estrogen.
If fertilization does not occur, the corpus luteum stops producing these hormones and regresses to a corpus albicans. Looking at it from another perspective, this ovulation cycle chart brings together your menstrual cycle (at the top), your hormone levels and what happens inside your uterus during this period, based on a 28 day cycle.
Ovulation is when the mature egg or ovum is released from the dominant follicle in the ovary and passes into the fallopian tube.
Ovulation usually occurs midway through your menstrual cycle, so if you have a regular cycle, it is fairly easy to work out more or less when ovulation occurs. A small percentage of women (±20%) develop mild lower abdominal pain or cramps on one side at the time of ovulation.


Basal Body Temperature (BBT) measured by a special thermometer first thing in the morning may help you determine when ovulation occurs in your cycle. If you look at the top of the ovulation cycle chart, you will see the luteal phase starts after ovulation and continues to menstruation. During the luteal phase the lining in your uterus normally becomes thicker in preparation for a possible pregnancy. If you are asking the question “When am I most fertile?” the answer is the 12 to 24 hours after ovulation, as this is when the mature egg is ready to be fertilized. By this time the blastocyst has reached the uterus and is looking for a suitable place for implantation to occur.
For example in the first week after implantation, development of the brain, heart, spinal cord, digestive system and blood vessels begin. By week 8, the facial features are becoming distinct and the internal organs are well developed.
After the 8th week from conception, the embryo has all the essential internal and external structures and is now referred to as a fetus until birth.
A woman who charts her fertility signs can also know whether she is ovulating or miscarrying. They have to produce mature eggs at each ovulation and also produce the hormones estrogen and progesterone. This ovulation cycle chart shows you the stages of the development of a mature egg (ovum) during your menstrual cycle. The remaining follicle then regresses into a corpus luteum and eventually a corpus albicans (lovely big words!!). The thickened lining of your uterus is then shed during menstruation and the cycle starts again and continues until menopause. If you have an irregular cycle, you will need to keep accurate records of your menstrual cycle for a few months to establish more or less when ovulation is likely to occur.


For this method you will have to be patient and do this for a few months to establish a pattern. It is much easier as you just have to pee on a stick and wait to see if you are about to ovulate. Either conception occurs and fertilization takes place or the mature egg degenerates and the menstrual cycle continues. Over the next 6 to 7 days the zygote will develop into a morula and then into a blastocyst.
A blastocyst is a sphere with a thin outer layer, a fluid filled cavity and a lining of about 150 cells on the inside. Between days 6 to 10 after ovulation, the blastocyst attaches itself to the uterine wall and starts burrowing into it.
The process of implantation begins after week 1 from conception and continues to the middle of week 2, so it takes a few days. This is the process when cells develop into structures such as brain, skin, nervous tissue, organs, muscle and bone, etc. What you will find is that your BBT  is lower before ovulation than after ovulation and it does a little dip just before ovulation.
It works on the levels of luteinizing hormone (LH) which peaks just before ovulation (see the ovulation cycle chart above). At the same time the cervix is closed with a mucus plug, creating a safe environment within the uterus. First time pregnancy can make you feel like you have been in a tumble-drier emotionally with highs and lows, but it is worth it when you see your newborn miracle.



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