F-Point Validation Study

Inclusion Criteria: * Participant is willing and able to give informed consent for participation in the clinical investigation. * Female, aged 18 years or above. * Able (in the Investigators opinion) and willing to comply with all clinical investigation requirements. * Presenting for Group 1: Elective Caesarean section Group 2: Elective gynaecological procedure * Group 3 will consist of anonymous patient samples Exclusion Criteria: * Patients on any antiplatelet or anticoagulant medications o Patients prescribed subcutaneous low molecular weight heparin medications are permitted to enrol, provided the timing of sampling is outside of 24 hours after the last dose of the medication. * Any patient with a known thrombophilia or a known haemophilia. * Any patient with a known dysfibrinogenaemia except in the anonymous low fibrinogen group * Patients with a known malignancy or autoimmune condition affecting blood clotting * A personal history of easy bruising strongly suggestive of a blood clotting disorder * Any reason, in the opinion of the investigator that would make the subject unsuitable for participation