Many people always contemplate whether they are pregnant especially ones they miss their period. The only way to know for sure is by conducting a pregnancy test (serum PT)
But there are some early pregnancy symptoms that may point to the possibility.
Pregnancy Symptoms varies
All women are different. So their experiences during pregnancy. Not every experience early symptoms or even the same symptoms from one pregnancy to the next.
The following are description of some of the most common early pregnancy symptoms. These symptoms may be caused by other things apart from pregnancy. So the fact that you notice some of these symptoms does not necessarily mean you are pregnant. The only sure way is with a pregnancy test and ultrasound scan.
Spotting and Cramping
After conception, the fertilized egg attaches itself to the endometrial wall (the womb). This sometimes cause spotting and sometimes, cramping as one the early pregnancy symptoms.
This type of bleeding is called implantation bleeding. It can occur from six to 12 days after the egg is fertilized. If you the bleeding persist meet your doctor for further advice.

read more>>>>https://www.medicalworldexpert.com/common-early-pregnancy-symptoms/

On a liter note, from the nollywood perspective
THROWING UP is the main thing to look out for