<prompt> A 23 year old female presents to the clinic with history of recurrent aboions. While investigating this patient for recurrent aboions all of the following tests are to be done EXCEPT:Parental cytogeneticsThyroid profileAntiphospholipid antibodiesTORCH infection screening  <response>: Recurrent miscarriage is defined as a sequence of three or more consecutive spontaneous aboion before 20 weeks. Investigations: 1 Blood glucose fasting and post prandial, VDRL, thyroid function test, ABO and Rh grouping husband and wife, toxoplasma antibodies IgGIgM 2 Autoimmune screening - lupus anticoagulant and anticardiolipin antibodies 3 Serum LH on D2D3 of the cycle 4 Ultrasonography - to detect congenital malformations of uterus, polycystic ovaries and uterine fibroid 5 Hysterosalpingography in the secretory phase 6 Laryngoscopy 7 Karyotyping husband and wife 8 Endocervical swab to detect chlamydia, mycoplasma, and bacterial vaginosis 