Breast tenderness would be considered a presumptive sign of pregnancy.
The fertilization of sperm and ovum occurs at ampulla isthmic junction of fallopian tube. This ovum travels to the uterus and joins with the uterus for further development. Two weeks after the fertilization or conception, pregnancy is said to begin.
This is accompanied with missed periods or menstruation. Other important presumptive signs include nausea, vomiting, breast tiredness, back pain, poor sleep etc. In humans, the pregnancy or gestational period lasts for around 40 weeks or 80 days. Estrogen, progesterone and human chorionic gonadotropin are the three hormones that rise at the start of pregnancy.
Estrogen regulates progesterone and increases blood flow while progesterone prepares the uterus for implantation of fertilized ovum. The third hormones indicates the creation of placenta.
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Answer:North Atlantic Treaty Organization
Explanation: The Western-led military alliance systems such as North Atlantic Treaty Organization, NATO was establish in 1949 by by the United States and several western nations during the Cold War period to prevent the spread of communism and acted as a mutual defense to curtail the Soviet aggression.
Answer:
Family hierarchy
Explanation:
Family hierarchy is a word that is used by many psychologists to describe the desired and necessary structure for the family. Basically husband and wife at the top of the hierarchy and equal to one another with the children falling under them. Everything from the family stemming from the top level of the hierarchy. There is no denying for the major lifestyle changes that come bringing children into the world. But still, there should be given the priorities to the family rather than the temptation. You have to give the prioritize to your marriage life because it doesn't happen by owning especially kids arrive. This is very important for your health as well as your role as a parent.
Inspired by the outcome of the French Revolution and revolutionaries of the same cause, the upper class Creoles began to support the Revolutionaries' cause. With this many people, they were able to drive the Spanish out of Mexico, and declare their independence.