Pregnancy Hormones That You Need To Be Aware About

Hormones take over once you’re pregnant. They do help in the nourishment along with development of the baby. Though there are some popular hormones that have a role to play during pregnancy, but there are some others which you are not aware. Let us go through them in details.


This hormone is the one of bonding and love. They have a role to play in social bonding along with sexual reproduction as well. This hormone is present in your body during pregnancy and it goes on establish the bonding behaviour between mothers and babies. In the starting phase of labor the increase in the frequency of contractions is caused by this hormone.

Once the baby is born, in the third stage of labor, the function of this hormone is to keep the uterus contracting so that it is able to push out the placenta from the side of uterus. The blood vessels that are close to it are cut off. In a way the uterus goes on to sink back to its normal size.


One of the main function of this hormone and it is noticed that it tends to increase by around 20 times during the stage of pregnancy is to enhance milk production. For lactation the breast tissues are being prepared. Once your baby is born the levels of prolactin increase and it is at this phase the production of milk starts. In order to ensure that the levels of this hormone is intact and this is in particular reference in production of breast milk you would need to pump or the for the matter breastfeed. Both of these actions are going to increase the function of prolactin whereby the milk glands are encouraged to produce more and more milk.


This hormone indicates that it is time to loosening up and get ready for the big level. Here the most important question that you need to address is when does relaxing peak during pregnancy? This hormone is present in your body long before pregnancy but this is at lower levels. When does relaxin peak in pregnancy, the moment you do become pregnant and it reaches an optimum level during the first trimester of pregnancy. It does help with the growth along with the implantation of the placenta and does help in prevention of premature delivery through the contraction of the uterus.

The major function of this hormone is to regulate the cardiovascular and renal system so that the body does cope up with the extra load during the stage of pregnancy. Once you reach the end of pregnancy this hormone tends to rupture the membranes, whereby the body is prepared for delivery where you go on to loosen the cervix along with the vagina. It has to be said that an unwanted impact of this hormone would mean certain non-pregnancy symptoms in the form of legs, knees could be loosened as well. This could lead to inflammation at the same time as well.