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Pregnancy Stages: First Trimester
from:When a woman becomes pregnant, she and her partner may have questions about what is happening to her body and how the baby is developing. During the pregnancy stages, first trimester, the process starts with the fertilization of the woman’s egg and progresses to the point that the fetus is starting to resemble the baby it will become.
The entire pregnancy takes approximately 40 weeks. This period is divided into sections called trimesters, each of which is about 13 weeks long. In the pregnancy stages, first trimester, the woman’s body has to adjust to the changes created by the pregnancy. Most of these changes don’t occur immediately.
In the very first days of the pregnancy stages, first trimester, the fertilized egg, called a zygote, travels through the fallopian tubes and finally attaches itself to the wall of the uterus. There, the zygote becomes an embryo and the embryo starts the process of differentiation so that the individual cells become different parts of the body. During this time, the basics of the spinal column, the head, heart, digestive system begin to develop. Little nubs that will become the arms and legs also begin to grow. Facial features are not readily evident, though a rudimentary eye can be seen by the end of the first month. At this stage, the embryo is only about ¼ inch long.
During the second month of the pregnancy stages, first trimester, the embryo becomes a fetus. The organs of the fetus begin to work and it begins to produce its own hormones. These hormones, together with the hormones of the mother, can cause morning sickness to develop since the mother’s body is not accustomed to the changes. Generally, it is after the fetal hormones begin to develop that the mother’s menstrual periods stop. Even though all of these changes have taken place, the fetus is only about an inch long.
During the third month of the pregnancy stages, first trimester, the fetus completes the basic developmental processes. The mother’s morning sickness will have stopped, and she will have started a noticeable weight gain. The fetus will have obvious arms and legs. Tiny little fingers and toes become evident. Teeth will begin to develop. The facial features are now distinct and the fetus would be recognizable as a human. The internal organs are much more advanced. The liver and the digestive systems will have begun working. The gender of the fetus has been established, though it may not be noticeable yet on ultrasound. At four inches long, the fetus is applying increased pressure on the bladder. It will apply pressure to the bladder and the woman will become aware of an increased need to urinate. This is natural and should not be a concern to the woman.
Stages Of Pregnancy Pics Specific links
Stages Of Pregnancy Pics News
The baby bump helps some celebrities with stalled careers - San Jose Mercury News
The baby bump helps some celebrities with stalled careers San Jose Mercury News But that didn't stop Elle magazine from putting her on its April cover (naked and pregnant, in an echo of the often-imitated 1991 Vanity Fair cover photo of Demi Moore) nor People magazine from splashing pictures of her baby shower over several pages ... |
Nicola McLean looks happy and healthy - The Sun
 The Sun | Nicola McLean looks happy and healthy The Sun The 30-year-old was terrified that a night out in the early stages of her pregnancy when she mixed champagne and Prozac, a drug she uses to control her battle with bulimia, may have been responsible for the loss of the child. She told OK! magazine: "I ... |
Nicola McLean battles back after devastating miscarriage - The Sun
The Sun | Nicola McLean battles back after devastating miscarriage The Sun The 30-year-old was terrified that a night out in the early stages of pregnancy when she mixed Champagne and Prozac - a drug she uses to control her bulimia - may have been responsible for miscarriage. She told OK! magazine: "I did worry, ... |
Nicola feared she'd lost baby because of booze - The Sun
 The Sun | Nicola feared she'd lost baby because of booze The Sun And Nicola was terrified that a night out in the early stages of her pregnancy where she mixed champagne and Prozac, a drug she uses to control her battle with bulimia, may have been responsible for the loss of her baby. She told OK! magazine: "I did ... |
Sarah Michelle Gellar Steps Out With Small Baby Bump Since Announcing Pregnancy - Ology
 Ology | Sarah Michelle Gellar Steps Out With Small Baby Bump Since Announcing Pregnancy Ology It looks like she's just in the very beginning stages but if the outfit were a bit more fitting a small belly could perhaps be a bit more distinguished. Sarah and Freddie married in 2002 and welcomed Charlotte two years ago. Will another daughter be on ... |