Under normal circumstances, urine is light yellow, but when the body does not drink enough water or there is a pathology in the urinary system, the color will deepen, urine with vinegar becomes red does not necessarily mean that you are pregnant. For women with regular menstrual cycles, you can determine whether you are pregnant by taking a urine pregnancy test when your menstruation is delayed, if it is positive, it means you are pregnant. If it is negative, it does not necessarily mean that you are not pregnant, it may be that you have been pregnant for a short period of time and it is advisable to retest in a few days. If you feel that the color of your urine has changed, you should go to the hospital in time to do a detailed examination, it is recommended that you can go to the Department of Nephrology or Urology. Urine with vinegar to determine whether pregnancy is not scientific, there is no theoretical basis for the situation.