We all know pregnancy involves some significant physical changes. (My uterus will grow to how many times its normal size, you say?)

But hormonal shifts are also a hallmark of pregnancy — sometimes even serving as the cause of physical symptoms (hello, sore boobs) — and it stands to reason that these fluctuations can cause changes in brain chemicals that regulate moods.

Some women experience a range of emotions from happiness to sadness — and everything in between. So if you’re having crying spells over the slightest problems — spilt milk (proverbial or actual), a sentimental commercial, or a kind gesture — no worries. What you’re going through is completely normal.

Here’s what you need to know about crying during pregnancy, as well as a few tips to ease those pesky mood swings.

What causes crying during pregnancy? 

Even if you’re a naturally sentimental or emotional person, you might notice yourself crying more during pregnancy. And if you’re typically one who rarely sheds a tear, uncontrollable outpourings of emotion might take you by surprise.

Although emotions are a normal part of pregnancy, it helps to understand the reasons for weepiness.

First trimester

Every woman is different, so some women may have crying spells throughout their entire pregnancy, whereas others only cry during the first trimester.

First trimester crying isn’t unusual, considering this is when a change in hormone secretion takes place. Higher levels of both estrogen and progesterone during the first trimester seem to be responsible for some mood swings, marked by irritability and sadness.

Plus, pregnancy is a major life change. And for this reason, combined with the rapidly changing hormones, crying during the first trimester might be due anything from extreme happiness to anxiety or fear that something will happen to the baby.

Second and third trimesters

Hormonal shifts can continue into the second and third trimesters, so crying spells may happen during this time, too.

Your body is changing rapidly, which can also increase anxiety levels. As a result, some women may feel more on edge in the second trimester. If so, normal everyday stresses and frustrations could also trigger crying spells.

And when you’re nearing the finish line, there’s probably a lot on your mind. You have to complete the nursery, prepare your finances, and the realness of labor and delivery might make you a little panicky.

You’re about to have an added responsibility — whether it’s your first child or you’re adding to your family. This can be a stressful time, and if emotions run high, crying spells might follow.