Woman who are pregnant or breastfeeding Pregnant or breastfeeding. Currently pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding, or intending to become pregnant during the study Pregnant or breastfeeding. Patients may not be pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding. Pregnant or breastfeeding Patients who are pregnant or breastfeeding Are pregnant or breastfeeding. Is not pregnant or breastfeeding Patients must not be pregnant or breastfeeding Pregnant and/or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding. Currently pregnant or breastfeeding Breastfeeding or pregnant. Pregnant or breastfeeding, or intending to become pregnant during the study Subjects that are pregnant or breastfeeding an infant. Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Currently pregnant or breastfeeding Patients that are pregnant or breastfeeding Pregnant or breastfeeding, or intending to become pregnant during the study or within 140 days after the last dose of BTRC4017A Pregnant or breastfeeding. Pregnant or breastfeeding Pregnant or breastfeeding. Pregnant or breastfeeding Pregnant or breastfeeding. Pregnant or breastfeeding, or intending to become pregnant during the study Pregnant or breastfeeding The participant is pregnant or breastfeeding Patients who are pregnant or breastfeeding Patients who are pregnant or breastfeeding Pregnant or breastfeeding WOCBP who are pregnant or breastfeeding. Pregnant, breastfeeding, or plan to become pregnant during the study duration Pregnant and/or breastfeeding DONOR: WOCBP: Pregnant or =< 6 months breastfeeding Pregnant or breastfeeding Pregnant and/or breastfeeding DONOR: Pregnant and/or breastfeeding Subjects who are pregnant or breastfeeding. Patients who are pregnant or breastfeeding Breastfeeding or pregnant Is pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Subjects who are pregnant or breastfeeding are excluded Pregnant and/or breastfeeding DONOR: Pregnant and/or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Is pregnant or breastfeeding Pregnant or breastfeeding DONOR: Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding participants Pregnant or breastfeeding Pregnant or breastfeeding ADDITIONAL CRITERIA FOR STUDY CONTINUATION: Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding. Pregnant or breastfeeding Pregnant or breastfeeding PART 1: Pregnant or breastfeeding PART 2: Pregnant or breastfeeding Pregnant or breastfeeding Patients who are pregnant or breastfeeding Pregnant or breastfeeding Pregnant and/or breastfeeding Pregnant or breastfeeding Patients who are pregnant or breastfeeding Pregnant or breastfeeding Are pregnant or breastfeeding. Pregnant or breastfeeding woman. Pregnant or breastfeeding Patients who are currently pregnant or breastfeeding. Are pregnant or breastfeeding Pregnant or breastfeeding Pregnant and/or breastfeeding WOCBP: Pregnant or breastfeeding Pregnant or is breastfeeding Pregnant or breastfeeding Patients who are pregnant or breastfeeding. Patients who are pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Participants who are pregnant or breastfeeding Pregnant or breastfeeding patients are not eligible Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Subjects who are pregnant or breastfeeding. Currently pregnant or breastfeeding Patients who are pregnant or breastfeeding. Pregnant or breastfeeding Breastfeeding or pregnant. Pregnant or breastfeeding Participants who are breastfeeding, or intending to become pregnant during the study Is pregnant or breastfeeding. Pregnant or breastfeeding patients; Pregnant or breastfeeding Pregnant or breastfeeding. are pregnant or breastfeeding Breastfeeding or pregnant Pregnant or breastfeeding Pregnant or breastfeeding Are pregnant or breastfeeding. Pregnant and/or breastfeeding Patients who are pregnant or breastfeeding Breastfeeding and pregnant. Breastfeeding or pregnant WOCBP who are pregnant or breastfeeding Pregnant and/or breastfeeding Breastfeeding or pregnant Pregnant or breastfeeding Patients who are pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Be pregnant or breastfeeding. Pregnant or breastfeeding. Are pregnant or breastfeeding A participant who is pregnant or breastfeeding Pregnant or breastfeeding Pregnant or patients who are breastfeeding Is pregnant or breastfeeding Participant is pregnant or breastfeeding Pregnant and/or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding. Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Be a woman who is pregnant or breastfeeding Must not be pregnant or breastfeeding. Patients who are pregnant or breastfeeding The participant is pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding patients Pregnant (positive ?-HCG) or breastfeeding. Patients who are pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding patients Currently pregnant or breastfeeding. Breastfeeding or pregnant. Breastfeeding or pregnant Are pregnant or breastfeeding Are pregnant or breastfeeding. Participants who are pregnant or breastfeeding Patients may not be pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding. Pregnant or breastfeeding Pregnant and/or breastfeeding Pregnant or breastfeeding Patients who are pregnant or breastfeeding. Pregnant or breastfeeding Pregnant or breastfeeding, or intending to become pregnant during the study Pregnant or breastfeeding Be pregnant or breastfeeding Recipient must not be pregnant and/or breastfeeding. Pregnant (positive total HCG) or breastfeeding Pregnant and/or breastfeeding Pregnant, breastfeeding or considering becoming pregnant within 6 months following the last dose of investigational product; Pregnant or breastfeeding Pregnant and/or breastfeeding As per self-report participants who are pregnant or who are breastfeeding Pregnant or breastfeeding Not pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Patients who are pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Is pregnant or breastfeeding Patients who are pregnant or breastfeeding Pregnant and/or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant, contemplating getting pregnant, or breastfeeding Pregnant or breastfeeding. Pregnant or breastfeeding Pregnant or breastfeeding Is pregnant, intends to become pregnant during study, or is breastfeeding Pregnant and/or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant, contemplating getting pregnant, or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding. Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding Not pregnant and/or breastfeeding Pregnant or breastfeeding. Not pregnant and/or breastfeeding Pregnant and breastfeeding patients Pregnant or breastfeeding Pregnant or breastfeeding Pregnant and breastfeeding patients Pregnant or breastfeeding Pregnant and/or breastfeeding Is pregnant or breastfeeding Pregnant or breastfeeding Not pregnant, not breastfeeding You are pregnant or breastfeeding Pregnant or breastfeeding Pregnant or breastfeeding at time of consent Patients who are pregnant or breastfeeding Participants who are breastfeeding, pregnant or trying to become pregnant Breastfeeding, pregnant, or likely to become pregnant during the study Pregnant or breastfeeding Patients may not be pregnant or breastfeeding Patients who are pregnant or breastfeeding or likely to become pregnant pregnant or breastfeeding Participants must not be known to be pregnant or breastfeeding