What is Embryonic Stage
What is Embryonic Period :-
- In this stage the process of development starts. This begins from the third week and continues until the end of the 10th week of gestation. The growing multicellular organism is called embryo. The structural development of the foetus is completed in this period.
- Outer membrane- This is the outermost membrane of the foetus from which hairs, nails, skin, teeth and vascular system of the baby are fabricated.
- Middle membrane- From this membrane the middle part of skin and muscles are fabricated.
- Inner membrane-All the vital organs (lungs, brain, liver, digestive system) are fabricated. With the end of embryonic period the foetus grows up to 1-1/4 inches to 2 inches and has a mass of 15-20 grams. The heartbeat of the baby starts and umbilical cord is developed till the end of this period.
Factors affecting gestational period
1. Nutrition of expecting mother
2. Health of the mother
3. Consumption of drugs and alcohol
4. Emotional feelings of mother
5. Age of mother-father
6. Attitude of mother-father
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Important Points of Pregnancy :-
- The gestational period is 9 months and 7 days. The gestational period is counted from the last day of menstrual cycle till the day of childbirth.
- A late period, morning sickness, urge for more sleep, frequent urination, enlargement of stomach etc are some of the symptoms of first 5 months of pregnancy.
- Growth in self-activity of foetus, increase in weight of breasts, contraction in muscles of legs and uterus etc are some of the symptoms of the last 5 months of pregnancy.
- Changes in metabolism, urinary tract, blood circulation, respiration, pelvic joints etc are some of the internal changes in pregnancy. Three stages of pregnancy- zygote formation, embryonic stage, and foetus.
- Nutrition, health of expecting mother, consumption of drugs and alcohol, emotional feelings of mother, age of mother-father affects the gestational development.
- Insomnia, hemorrhoids, inflammation, short breath, constipation, chest burn, vomiting etc are the hardships of pregnancy.
- For the good health of baby and herself mother should take a balanced diet.
Pregnancy Questions and Answers
1. The gestational period is
(a) 10 months 2 days
(b) 9 months 7 days
(c) 8 months
(d) 7 months
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2. The initial symptom of pregnancy is
(a) Urge to sleep more
(b) late period
(c) More saliva secretion
(d) frequent urination
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3. Mother gets the indication of foetus’ presence in
(a) 3″ month
(c) 4″ month
(b) 7″ month
(d) 6″ month
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4. The first stage of gestational development is
(a) Embryonic stage
(b) foetus
(c) Implantation
(d) zygote formation
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5. Implantation in pregnancy is
(a) Formation of gums in foetus
(b) adherence of foetus to uterine wall
(c) Placenta
(d) formation of organs and muscles
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6. In which month is gender decided
(a) 2″ month
(b) 4″ month
(c) 5″ month
(d) 6″ month
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7. Factors affecting gestational development
(a) Nutrition of mother
(b) attitude of mother father
(c) Consumption of drugs and alcohol
(d) all of these
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8. Weight of child at the time of birth should be
(a) 2.5-3.0 kg
(b) 3.0-3.5 kg
(c) 5.0-6.0 kg
(d) 4.0-4.5 kg
Answer :- ?????