Your medical provider will help determine the best schedule for you
Typical cycles run 4 to 12 weeks
I made a stupid mistake in my original reply

Withholding Periods Meat: Zero (0) days Milk: Zero (0) days Export Slaughter Interval (ES): Zero (0) days Vetmec Multi Plus B12 Active Functions Copper Iron metabolism Bone development DNA synthesis Maintains elastic connective tissue Blood formation Involved in reproduction and fertility Aids in preventing placental retention Zinc Involved in cell division Maintains the integrity of skin, mucous membranes, hair and hooves Important in wound healing Lung function Bone and cartilage development Supports immunity Involved in reproduction and fertility, including spermatogenesis in bulls Aids in preventing placental retention Supports udder function Selenium Prevents oxidative damage Supports immunity Involved in muscle function Involved in reproduction and fertility, including spermatogenesis in bulls Ensures embryo survival Aids in preventing placental retention Vitamin B12 Vital for energy metabolism DNA synthesis Red blood cell production Supports nervous system function Involved in reproduction and fertility Precautions & Contraindications Excessive copper and/or selenium can be toxic

Primary amenorrhea can happen for several reasons, such as: Genetic conditions that affect development Hormone imbalances in the brain Problems with how the uterus, vagina or hymen formed before birth Both primary and secondary amenorrhea can be related to: Hormone changes (thyroid or polycystic ovarian syndrome, or PCOS, for example) Weight loss, excessive exercise and very low body weight Chronic medical conditions and stress How is amenorrhea diagnosed
Injections: subcutaneous (under the skin) simple and effective for targeted support