A method of preparing an implantable medical device, the method comprising: blending components comprising a first biodegradable polymer and a second biodegradable polymer under conditions effective to form a polymer blend, the polymer blend comprising: a first phase comprising the first biodegradable polymer having chains, wherein the first phase is continuous and has a glass transition temperature of at least 40°C; and a second phase comprising the second biodegradable polymer, wherein the second phase is phase-separated from the first continuous phase and has a glass transition temperature of 15°C or less; stretching the polymer blend under conditions effective to orient the chains of the first biodegradable polymer along an axis of stretching; and forming a medical device from the stretched polymer blend; wherein further one of the following is realized: (i) the modulus of the stretched polymer blend parallel to the axis of stretching is at least 100% of the modulus of the first biodegradable polymer; and wherein the strain at break of the stretched polymer blend parallel to the axis of stretching is at least 120% of the strain at break of the first biodegradable polymer; or (ii) the modulus of the stretched polymer blend parallel to the axis of stretching is at least 90% of the modulus of the first biodegradable polymer; wherein the strain at break of the stretched polymer blend parallel to the axis of stretching is at least 120% of the strain at break of the first biodegradable polymer; and wherein the polymer blend comprises at least 5% by weight of the second phase, based on the total weight of the polymer blend; or (iii) the modulus of the stretched polymer blend parallel to the axis of stretching is at least 80% of the modulus of the first biodegradable polymer; wherein the strain at break of the stretched polymer blend parallel to the axis of stretching is at least 120% of the strain at break of the first biodegradable polymer; and wherein the polymer blend comprises at least 20% by weight of the second phase, based on the total weight of the polymer blend. a first phase comprising the first biodegradable polymer having chains, wherein the first phase is continuous and has a glass transition temperature of at least 40°C; and a second phase comprising the second biodegradable polymer, wherein the second phase is phase-separated from the first continuous phase and has a glass transition temperature of 15°C or less; stretching the polymer blend under conditions effective to orient the chains of the first biodegradable polymer along an axis of stretching; and forming a medical device from the stretched polymer blend; (i) the modulus of the stretched polymer blend parallel to the axis of stretching is at least 100% of the modulus of the first biodegradable polymer; and wherein the strain at break of the stretched polymer blend parallel to the axis of stretching is at least 120% of the strain at break of the first biodegradable polymer; or (ii) the modulus of the stretched polymer blend parallel to the axis of stretching is at least 90% of the modulus of the first biodegradable polymer; wherein the strain at break of the stretched polymer blend parallel to the axis of stretching is at least 120% of the strain at break of the first biodegradable polymer; and wherein the polymer blend comprises at least 5% by weight of the second phase, based on the total weight of the polymer blend; or (iii) the modulus of the stretched polymer blend parallel to the axis of stretching is at least 80% of the modulus of the first biodegradable polymer; wherein the strain at break of the stretched polymer blend parallel to the axis of stretching is at least 120% of the strain at break of the first biodegradable polymer; and wherein the polymer blend comprises at least 20% by weight of the second phase, based on the total weight of the polymer blend.