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Factors Affecting(unfavorable condition - Miscarriage)The Baby In The Prenatal Period

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However,some factors that do affect the baby can be controlled to some degree. Unfavorable Conditions In The Prenatal Environment: Malnutrition of mother Vitamin A, B, D glandular deficiencies Excessive use of Alchool Excessive Smoking Use of drugs, especially narcotics and tronamilizers Diseases that are constant,such as Diabetes,Tuberculasis, or Cancer Certain Temporary diseases, such as Rubella and The Venereal diseases Severe and Constant stress on the mother. Some unfavorable conditions bring about a "Miscarriage". What Is a Miscarriage? A miscarriage is the loss of a baby before the 20th week of pregnancy. The medical term for a miscarriage is spontaneous abortion. But it isn’t an abortion in the common meaning of the term. Miscarriage Symptoms Symptoms of a miscarriage include: 🔵 Bleeding that goes from light to heavy 🔵 Severe cramps 🔵 Belly pain 🔵 Weakness 🔵 Worsening or severe back pain 🔵 Fever with any of these symptoms 🔵 Weight loss 🔵 White-pink mucus 🔵 Co

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Prenatal Developments (Link)

Some useful link(you can get more information by this link) .................... Prenatal Development Critical period Pregnancy Fetal

Development prenatal period(Image--- 5 to 8months)

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Full Images...............

The Period Of The Embryo And Fetus (Image)

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Image: Birth Spira

Period Of the Zygote(fertilization to end of second week))

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 The size of the zygote-that of a pinhead remains unchanged because it has no outside source of nourishment, it is kept alive by yolk in the Ovum As The zygote passes down the fallopian tube to uterus, it divides many time separates into an outer and an inner layer. The outer layer later develops into the placenta,the umbilical cord,and the amniotic sac,and the inner layer develops into a new human being. About ten days after fertilization, the zygote becomes implanted in the nuterine wall.

Images

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Images(6th months to8th month, 25 to 37weeks)

Images Of Prenatal Development

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2 months to 5 months (8 weeks to 24 weeks) .........................

Development Of Conception Period

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The prenatal period (After Conception)the baby begins to grow and development.Life begins at the moment of cocception. Merwdth has reported that the average length of prenatal period is 38 weeks or 266 days.70% of babies vary from36 to 40 weeks(252 to 280 days)and 98% 34 to 42 weeks(238 to 294 days). prenatal develomment is orderly and predictable,the importent developments taking placc during this period. The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period. After fertilization and implantation, a baby is at first just an embryo: two layers of cells from which all the organs and body parts will develop. Growing quickly, your baby is soon about the size of a kidney bean and constantly moving. The heart is beating quickly and the intestines are forming. Your budding son or daughter's earlobes, eyelids, mouth, and nose are als