After the egg is fertilised in a woman's body start to occur major changes. All organs and systems are rebuilt to work in a completely different mode, so the expectant mother may experience the pregnancy even before the delay of menstruation.
A few days after fertilization, the egg is implanted in the uterus. Experts claim that this point can be felt. In some cases, this process is quite painful. The woman feels pulling pain in the abdomen, similar to the one she had before the onset of menses. In addition, the implantation of the embryo into the uterus may be accompanied by mucus with bloody streaks.
After the attachment of the embryo to the uterine wall, the body begins to adjust to work in a different mode. From this point on in the blood and urine begins to increase the concentration of a specific hormone that can later be used to determine pregnancy. If you take a blood test after 4-6 days after conception, it is likely that specialists will be able to diagnose the increase in the concentration of HCG, which clearly indicates an occurred fertilization.
In the result of the hormonal changes a woman may feel dry mouth, weakness, nausea. Most of these symptoms and allow you to suspect pregnancy even before the delay of menstruation. For this reason, many women begin to feel the change of taste preferences, allergies to various smells, frequent change of mood.
A week after the onset of fertilization, the uterus begins to increase in size. Very often this leads to frequent urination. This is also one of the first signs of pregnancy. However, the increase of the uterus occurs before the onset of menstruation, so do not too seriously.
In the first weeks after conception a woman may experience pain in the chest area. In some cases, may cause discharge from the nipples.