First Symptoms of Pregnancy: Hormones and First Hormonal Changes

A woman may experience a variety of symptoms in early pregnancy or the first weeks, usually around 6 weeks.

During conception and early pregnancy, some of the following symptoms may be included:

  • Light bleeding
  • Changes in blood flow.
  • Changes in the nipple.
  • Go to the bathroom more often.
  • Swelling, cramps and back pain.
  • Nausea of ​​pregnancy.
  • Increase in saliva
  • Dizziness and fainting.
  • Tiredness and exhaustion.
  • Headaches.
  • Constipation and winds.
  • Changes in libido in early pregnancy.

During most of conception and pregnancy according to research shows that babies are conceived around two weeks before their next period, that is, conception begins two weeks after their last normal period. Conception is usually performed when the sperm fertilizes the ovum in the fallopian tube and it takes another six days for the newly fertilized egg to reach the uterus.

It may take another six days for the fertilized egg – or the newly conceived baby – to fully implement the lining of the uterus and begin to interact with the woman’s body. Once the baby is implanted fully into the uterus, a hormone called human gonadotropin hormone is released, it is released into the bloodstream.

Hormones and pregnancy symptoms

Hormone levels also provide the basis for the detection of a pregnancy with a traditional test. That is why the early signs of pregnancy do not become evident until 12 to 14 days after the moment of fertilization.

Pregnant women with twins or triplets may notice their signs of pregnancy easier because they are more intense. Other hormones increase during pregnancy such as progesterone and some estrogen, which contributes to many of the first physical signs of pregnancy .

The first hormonal changes in pregnancy

Progesterone is a female hormone that is composed mainly of the corpus luteum in the ovary and the placenta.

The progesterone prepares the lining (endometrium) of the uterus (womb) to receive and hold the fertilized egg, which is vital to enable a successful pregnancy. It also rises before menstruation, so premenstrual symptoms can be mistaken for early signs of pregnancy. The symptoms of pregnancy are not a guaranteed sign that a woman is pregnant. Remember, every woman and every pregnancy is different, so there is no need to panic if you do not have all the symptoms of pregnancy.

Only a pregnancy test performed around 6 weeks of gestation can confirm a pregnancy correctly. Many of the early symptoms of pregnancy will be similar to those experienced before menstruation (abdominal distension, fatigue, and breast tenderness), so it can be difficult to know if it is another menstrual period or the arrival of motherhood.