The first trimester of pregnancy is also known as the “invisible” or “silent” trimester. The reason behind such words being used to describe that this trimester
The first trimester of pregnancy is also known as the
“invisible” or “silent” trimester. The reason for calling this trimester the
'silent trimester' is the fact that the woman’s body goes through an amazing
transformation so quickly that quite often she fails to realize that she
is pregnant until she is about 6 weeks into her pregnancy.
What is firsttrimester of pregnancy?
The first trimester of pregnancy ranges from the day of conception to week
12 of pregnancy.
Signs and symptoms of the first trimester of pregnancy
Mentioned below are some of the signs a woman should look for if she
wants to find out whether her trimester has begun:
Many women may experience spotting, which is said as ‘implantation
bleeding’. Nothing is worrisome about spotting, this
is just another sign of pregnancy.
Nausea also known as morning sickness is quite common during pregnancy.
High levels of B-hcG, the pregnancy hormone, begin to rise during first
pregnancy and peak levels reach by the end of first trimester, which causes
symptoms like nausea and vomiting.
#3 Frequency of Urination
Pregnant women have urge to urinate quite often as compared to normal
women. This happens due to added pressure of the enlarging uterus onto the
bladder. To prevent the occurrence of the urinary tract
infection it is important that a pregnant woman should go to
the toilet whenever the need arise.
Pain while urinating, burning or fever may develop if serious, should
pregnant women seek medical attention.
Sleep and fatigue is a direct consequence of rise in level of
progesterone which occurs during pregnancy. This fatigue can be relieved by
getting lots of rest and some mild physical activity such as walking.
#5 Heartburn and Constipation
Hormones released during pregnancy cause the food within the digestive
tract to move very slowly. The tendency of food to stay for longer periods of
time, inability of the digestive tract to digest food quickly leads the
pregnant woman to suffer from constipation.
Similarly, pregnancy hormones relax the sphincter which separates the
oesophagus from the stomach. Relaxing the sphincter is followed by continuous
upward flow of stomach acid and subsequent irritation of the oesophagus thereby
causing heartburn in
Pregnant women might feel a bit dizzy. This occurs due to pregnancy
hormones causing blood vessels to dilate and the blood pressure to drop. To
avoid getting dizzy a pregnant woman should take care not to stand for too long
and to rise slowly when lying down.
#7 Food cravings
A pregnant woman often develops cravings for different types of food.
This behaviour in the mother is attributed to the hormones which are released
during pregnancy. So just in case you are in your in your first trimester of pregnancy and are craving for your favourite brand of chocolates 12 o'clock at night, it is totally normal!
Tests performed during the first trimester of pregnancy
It is important for a pregnant woman to visit her doctor for advice and
to get some tests carried out on her in order to make sure that both she and
her baby stay healthy throughout the 40 weeks of gestation.
Mentioned below are some of the tests which a pregnant woman goes
through during her pregnancy:
#1 Blood tests
Tests are performed on the pregnant woman to check for general health of
women, the capability of woman to carry pregnancy till end, detect infections
such as rubella, syphilis, hepatitis B and HIV. These tests also reveal whether
or not a pregnant woman suffers from anemia as it may double the
risk of developing anemia of
#2 Urine tests
Urine sample are taken from the pregnant woman to look for signs of urinary tract
infection as well as to measure the level of B-hcG which is a
hormone used to confirm the pregnancy of a woman. Level of glucose, which might
is also checked via this test.
This is an ultrasound which is done on a pregnant woman in order to
detect chromosomal abnormalities such as Down Syndrome, Edward syndrome etc,
which the baby may be at risk of developing. This is not always performed.
#4 Chorionic Villus Sampling (CVS)
In this procedure a needle is inserted into the abdomen of the mother to
collect samples of the placenta. Through this test genetic diseases such as
Down syndrome, cystic fibrosis, sickle cell anemia, haemophilia and muscular
dystrophy are detected.
What should a pregnant woman wear during the first trimester?
Your body doesn’t change a lot in the first trimester; you can wear
whatever you wish. But it is advised you to keep a good collection of loose and
comfy clothing for your next trimester use which brings a big transformation of
What is the average weight and length of the baby during the first
· The average weight of
the baby during the first trimester is about 28 grams.
· The average length of
the baby during the first trimester is about 10 centimetres.
Is sexual intercourse safe in the first trimester?
Sexual intercourse is considered safe during pregnancy, though women
mostly get worried about the safety of pregnancy and usually avoid it. It is
best advised to consult a doctor, if you had previous complicated pregnancy or
pregnancy loss, get some guidelines from the doctor regarding safe sex
What complications may arise in first trimester?
Women may be at risk of spontaneous abortion, miscarriages or ectopic
pregnancy. These complications may arise due to abnormalities of uterus such as
fibroid (an abnormal mass in the uterus causing abnormal per vaginal bleeding
episodes and/or pain).It is more common in women with previous history of miscarriage or ectopic
How to prevent first trimester complications?
You can prevent yourself from developing the aforementioned
complications during pregnancy by visiting your doctor as per schedule, give
your complete history which includes your previous births and abortions, family
history, medical conditions such as diabetes mellitus
and if you are vaccinated or
not. Get proper rest and a healthy diet.
Welcome to Babyinfo – the ultimate pregnancy and newborn information guide. We are here to help you find all the pregnancy and baby info you need to make the most beautiful experience of your life even better.
Our team is comprised of an amazing mix of experienced mothers, recently pregnant women, and editors with tremendous medical knowledge in the fields of gynaecology and childbirth.
Think of us as your friendly advisors, here to give you honest, easy to understand and authentic information. We are here to be your support at this crucial time in your life, when you need it the most.
Note: This website is in no way meant to replace doctors, hospitals, or other healthcare providers that may be utilized by current mothers or mothers-to-be. All mothers are advised to see a doctor for medical advice and the appropriate care before, during, and after pregnancy.