Pregnancy can come with lots of aches and pains and for relief, many people turn to acetaminophen?known by the brand name Tylenol?since ibuprofen (Advil) is not recommended in pregnancy, especially after 20 weeks, because it can result in low amniotic fluid.  
But that practice was called into question in September when a consensus statement was published in the journal Nature Reviews Endocrinology. Authored by a group of 13 scientists, medical experts, and health professionals, it said based on research they?d reviewed, they were concerned that taking acetaminophen (also known as paracetamol in many parts of the world) in pregnancy could potentially alter fetal development, which could increase the risk of certain neurodevelopmental disorders, like ASD or ADHD, as well as disorders that affect the reproductive and urinary tracts and the fetus?s genitals. However, the Society of Obstetricians and Gynaecologists of Canada (SOGC) has issued a statement saying there?s no need for change when it comes to acetaminophen in pregnancy. 
What the researchers said about taking acetaminophen during pregnancy
In the paper, researchers reviewed epidemiological studies, for example, observational studies where participants self-report, or studies that analyze biomarkers like cord blood or meconium ? and experimental studies that involved animals. They found that taking acetaminophen in pregnancy could possibly alter fetal development in a way that may lead a fetus to develop such cond...