How Many Weeks Is The First Trimester? Type Of Changes Come In Body

how many weeks is the first trimester

After reading this, you will know how many weeks is the first trimester? The first trimester begins on the first day of your last period and lasts until the end of week 12. This means that by the time you know for sure you are pregnant, you might be already five or six weeks pregnant. A lot happens during these three months. During this trimester, your baby grows faster than at any other time. by six weeks, a heartbeat can usually be heard and by the end of week 12, your baby bones, mussels and all organs of the body have formed. At this stage, your baby looks like a tiny human being and is now called a fetus. There are following symptoms that a woman noticed in the first trimester is as follows:


Breast changes can occur between week 4 and 6. You are likely to develop tender and swollen breast due to hormones changes. You should go away after a few weeks when your body has adjusted to the hormones. Nipples and breast changes can also occur around in week 11. Here is an important question to ask is how many weeks is the first trimester? Hormones continue to cause your breast to grow. The areola, the area of nipples may change to a darker color and grow larger. If you have bouts with acne before your pregnancy. you may also experience breakouts again.

Due date

Pregnancy is based on a0 week (280-day) calendar. If you want to calculate your estimated date of delivery, add seven days to the first day of your last normal menstrual period, then add nine months. If you count correctly that how many weeks is the first trimester then you will know that your baby is considered full term if he arrives anywhere from the three weeks before to two weeks after the date. If your menstrual cycle regularly is 28 days long, you are likely to give a birth near your due date.


Fatigue can develop at any time during pregnancy. this symptom is common in early pregnancy. your progesterone level will soar, which can make you feel always sleepy.


Any infection in the cervix, vagina, or a sexually transmitted infection such as chlamydia, gonorrhea, and herpes can because of bleeding in the first trimester.


Because of miscarriage is most common during the first 12 weeks of pregnancy, it tends to be one of the biggest concerns with the first trimester bleeding. However, the first trimester bleeding does not necessarily mean that you have lost the baby or going to miscarry. In fact, if a heartbeat is seen on the ultrasound, over 90 percent of women who experience first trimester vaginal bleeding will not miscarry. Other symptoms of miscarrying are strong cramps in the lower abdomen and tissue passing through the vagina. You can avoid this mistake when you will know about basic things like how many weeks is the first trimester and how we calculate it.

Pregnancy test & Romance

In this, we have briefly described how many weeks is the first trimester? and know when to take a pregnancy test. If you take a pregnancy test on the first day you miss a period, there are 10 percent chance that you will get a false negative reading if you mistakenly believe that you are not pregnant, you might not avoid potentially harmful substances. For your safety, assume you are pregnant and retest in a week later. While some women feel sexy when they are pregnant and enjoy hot having to fuss with birth control, other doesn’t want to do anything in bed but sleep. If you have lost your libido, don’t fret. You will probably find it in the second trimester, which many women call honeymoon period of pregnancy.

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