Frequency of Braxton Hicks contraction is -

Ans. is 'c' i.e., One every 15 minutesBraxton - Hicks contractionsUterine contractions in pregnancy has been named after Braxton - Hicks who first described this entity.These contractions are irregular, infrequent, spasmodic and painless without any effect on dilatation of cervix.Patient is not conscious about the contractions.The intensity varies between 5 and 25 mmHg.The number increases during the last week or two, when the uterus may contract as often as every 10 to 20 minutes.