Gynaecology & Obstetrics Regarding braxton Hicks contractions, all are wrong except A Intensity varies between 20 and 40 mmHg. B Occur in early pregnancy and may be palpated in second trimester. C These contractions become more regular later in pregnancy. D Both 2 and 3. 💡 Explanation Regarding braxton Hicks contractions, all are wrong except ✓ Correct Answer: B. Occur in early pregnancy and may be palpated in second trimester.