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:
The EQUATOR separates the Northern and Southern Hemispheres.
The Western and Eastern Hemispheres are separated by the PRIME MERIDIAN.
The Western Hemisphere includes the continents of NORTH AMERICA and SOUTH AMERICA.
Explanation:
i just took the assignment.
Mercosur is a shorter form of "Mercado Comun del Sur" - Common Market in the South, which is a trading bloc (area with free trade and no tariffs or restrictions) in South America.
The correct answer is:
<span>an arrangement to increase economic cooperation</span>
Guides a child in planning his own message by drawing called
Straw votes is a term to describe an unofficial ballot conducted as a test of opinion. However, straw votes are unreliable as they serve many disadvantages including a straw vote not often representing an accurate cross section of the total population.
