The correct option is B amniocentesis
Amniocentesis uses amniotic fluid for the detection of prenatal disorders. In this process amniotic fluid is collected from the amniotic sac via trans-abdominal needle puncture. This fluid contains foetal skin and respiratory cells which can be used for genetic testing to screen for disorders of the baby.
Laparoscopy is used to find problems such as cysts, adhesions, fibroids and infection.
Endoscopy is a non-surgical procedure used to examine a person's digestive tract.
Fetal ultrasound is a test done during pregnancy that uses reflected sound waves.