Healthcare providers consider acetaminophen (Tylenol) the safest over-the-counter pain reliever and fever reducer to take when you're pregnant. Acetaminophen has been widely used for decades, and extensive research shows that it's safe to take during pregnancy. I am 17 weeks pregnant with my third baby. I have horrible headaches EVERY single day. So, bad that I don't want to get out of bed. I have been prescribed Tylenol 3. Pregnant women who take acetaminophen-- best known under the brand name Tylenol-- might be more likely to have a child with attention deficit-hyperactivity disorder , a new long-term study suggests. Tylenol PM works but I was the same way, start bitchin' to the dr. and see if they will get you in early. You won't be able to deliver if you're exhausted. You won't be able to deliver if you're exhausted. Bumpdate: 39 weeks. How far along? 39 weeks (and then some). Fruit? The baby is as big as a freaking pumpkin. How many months? 9 months pregnant. Almost TEN. Well, at 39 weeks your baby is about to be born. It might already be born at the moment I write this! So not being able to sleep is quite understandable, giving all the new excitement that you are expecting. I& 39;m 39 weeks pregnant and on Ambien for the entire pregnancy. One a night. My genetic obgyn said it was ok. Also klonipon. 5mg 2x a day. I was able to ween off klonipon. I am almost 39 weeks pregnant and am SOOOOOO sleep deprived. I have not taken ANY medication since I found out I was pregnant. I know Tylenol is on my list of OK drugs to take, but I wondered if PM was ok. I've had to take only one Tylenol pm at night for the pass two weeks due to pain and not being able to sleep at night, some nights I don't take one bc my mom is paranoid about me taking one every night.