The moment you get the news that you are pregnant, you will be filled with lots of emotions and most likely a flood of questions too. The first trimester is the earliest phase of pregnancy. It starts from first day of last menstrual period- before you are actually pregnant and lasts until the end of 12 th week. Knowing what to expect will help you get ready for the months ahead.
Pregnancy is different for every woman. Some women glow with good health during first 3 months, but maximum women feel miserable. Some changes that women feel during first 3 months are:

As soon as you come to know that you are pregnant, consult your doctor. They will do one blood test beta HCG to confirm the diagnosis. If beta hcg is less , they might tell you to repeat the test to see increase in the level, folic acid is the essential medicine that needs to be started prior to conception only. If you are not taking folic acid prior to conceiving , no worries, you have to start as soon as you know you are pregnant. Early pregnancy scan – also known as dating scan should be done between 6- 7 weeks. NT scan should be done between 11- 14 weeks. This scan is done as a screening for Down’s syndrome. If NT scan + Double marker shows low risk, then 90% it is confirmed that baby doesn’t have Down’s syndrome
Some routine blood tests – TSH, Blood sugar , CBC, Blood group and Rh typing should be done . urine routine and microscopy should also be done.
Severe abdominal pain, bleeding or spotting in the vagina, and excessive vomiting.

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The common normal pregnancy signs in the first trimester are nausea, fatigue, breast tenderness, food cravings, sensitivity to smell and increased vaginal discharge.
During the first trimester, you must avoid drinking alcohol and eating raw or undercooked meat, processed meats, raw eggs, unpasteurised dairy products and fish rich in mercury, as they may potentially harm the growth of the fetus. Also, it is highly recommended to avoid specific medications, refrain from strenuous activities and exposure to harmful chemicals.
Most pregnant women experience physical and emotional changes during the first trimester of pregnancy. The sudden surge in pregnancy hormone can make you feel nauseous, fatigued and experience mood swings. However, you may not feel the same, as every pregnancy is unique.
Every pregnant woman experiences or feels varying symptoms, so it is not possible to determine the hardest week. Usually, women find it challenging to manage during the 9th and 10th week of the first trimester as the hormone responsible for pregnancy is at its peak, intensifying the common pregnancy symptoms, such as nausea, fatigue, morning sickness and mood swings.