Our old friend progesterone is also responsible for your need to frequently urinate. Your growing fetus is also bound to put pressure on your bladder, increasing the urge to go to the bathroom. However, expect that to become more pronounced once the baby gets bigger.
You may be tempted to drink less fluid to limit bathroom trips, but you need liquids now more than ever.
If you don’t relish the idea of getting up frequently during the night, drink less at night and more during the day. And, this probably goes without saying, but avoid caffeinated drinks like coffee, black teas, sodas, and energy drinks, which also increase the urge to go.