In anticipation of a pregnancy and the joy of receiving the news, there are times when we try to receive the news with the first signs. But sometimes these symptoms can be confused with the Premenstrual syndrome and for this we need to know the differences. With the anticipation of the woman's period, this is when some of them experience many more signs what others. Even in the face of the surprise of the arrival of a pregnancy, many of these symptoms are confused because they are similar. Hence, we can deduce what differences there are to reach an effective conclusion.
What are the most common symptoms?
The premenstrual pain they are very similar to the signs of a pregnancy. What we can make clear is that there are a series of premenstrual symptoms that they last between 5 and 10 days, until you finally have your period. The doubt is when these symptoms remain much further in time and that is when the doubt arises. Before having a period, there are women who enter those small pains in the belly or in the part of the ovaries, It is also common to see it in women who may begin their signs of pregnancy. Stomach pain, heartburn, gas, pain in the kidney area, headache and many discomfort in the lower abdomen appear. 
In addition, a slight spotting or bleeding before the period starts which may last more days than expected and confuse the timing with a possible pregnancy. Other signs that tend to occur much more when you are pregnant is olfactory sensitivity and tasting strange foods, something that also usually happens with a premenstrual symptom. If we look, breast enlargement grows between these days, but when you are pregnant this increase no longer decreases and also some nipples are added very sensitive, even irritating. In some women the friction of any garment will be annoying excessively. The mood swings and emotional irritability they also come as a result of that injection of hormones that a changing body has to endure. Crying can be achieved because sensitivity and feelings are very susceptible.
How do we rule out premenstrual pain from pregnancy?
A priori there are women who they know how to differentiate some symptoms from others because they have really lived them and know how to analyze them. There are many more extreme cases where a woman has presented these symptoms and has already had a psychological pregnancy (not a pregnancy). Here the woman can even have a catkin on her belly without containing any baby inside. Sleep and tiredness prolonged throughout the days, along with awakenings with the stomach or morning sickness and breast augmentation with small discomfort in the nipples, are more than symptoms that your body is in a state of pregnancy. 
Going to a much more effective extreme, pregnancy tests are the ones that guarantee us said conclusion. Everything is a matter of waiting a few days for menstruation to drop, but if it lasts longer or is non-existent, you will have to resort to this test. The differences and similarities between both concepts are obvious. Many of them coincide and others do not, but time places these types of details where the answer should be. Women must be subtle enough to be able to reconcile with each of these symptoms and identify whether or not you are pregnant. Before the possibility of a pregnancy it is necessary to conclude with a pregnancy test and the visit to your family doctor. From there it will lead you to midwife and gynecologist for tracking and some testing. From here, it's time to take care of yourself and carry a pregnancy with the best calm and affection.