Alzheimer’s support Thursday, 10-11 a.m. Spring Arbor Assisted Living, 237 Fairview St. NW, Leesburg. 540-338-6520. Free. Safe sitter class Ages 11-13. To receive a safe sitter certificate, students must pass a practical and written test on babysitting concepts and emergencies. Registration required. Saturday, 8 a.m.-4:30 p.m. Inova Loudoun Hospital, 44045 Riverside Pkwy., Leesburg. 571-308-5794. 703-858-6000. $75 (includes book and snacks).

Leesburg blood drive Saturday, 9 a.m.-2 p.m. Leesburg Public Safety Center, 65 Plaza St., Leesburg. 800-733-2767. Lyme disease support Sunday, 3-5 p.m. Cornwall Medical Pavilion, 224-D Cornwall St., Leesburg. Free.

Leesburg blood drive Monday, 2-8 p.m. The Village at Leesburg, 1603 Village Market Blvd., Leesburg. 800-733-2767.

Heritage Hall family council Promotes and protects nursing-home residents’ rights. Friends and family members are welcome to attend. Monday, 5-6 p.m. Heritage Hall Nursing and Rehabilitation Center, 122 Morven Park Rd., Leesburg. 540-882-3385. Free.

Prenatal pilates class Mondays, 7-8 p.m. through Nov. 11. Inova Loudoun Hospital Birthing Inn, 44045 Riverside Pkwy., Leesburg. Participants must submit a note from their health-care providers before taking the class. Registration required. 703-858-6360 or $115.

Alzheimer’s support For those caring for people with Alzheimer’s disease and other forms of dementia. Monday, 7-8:30 p.m. Galilee United Methodist Church, 45425 Winding Rd., Sterling. 703-430-2203. Free.

Northern Virginia Resource Center for the Deaf and Hard of Hearing For age 18 and older. Information about mild to severe hearing loss and available equipment. Tuesday, 10 a.m. Carver Center, 200 Willie Palmer Way, Purcellville. 571-258-3400. Free.

Ashburn blood drive Tuesday, 3-8 p.m. Ashburn Farm Association, 21400 Windmill Dr., Ashburn. 800-733-2767.

Gamer’s Union for teens with Asperger’s Monthly program for teens and their caregivers to get together with others to share their experiences. Tuesday, 6 p.m. Rust Library, 380 Old Waterford Rd., Leesburg. 703-777-0323. Free.

Man-to-Man cancer support For prostate cancer patients and their families. Tuesday, 6:30-8 p.m. Senior Center at Cascades, 21060 Whitfield Pl., Potomac Falls. 703-858-8857. Free.

Leesburg blood drive Wednesday, 9 a.m.-3 p.m. Middleburg Bank, 106 Catoctin Cir. SE, Leesburg. 800-733-2767. Drop-in grief support For those coping with a death. Wednesday, 1-2 p.m. Loudoun Capital Hospice, 209 Gibson St. NW, Suite 202, Leesburg. 703-777-7866. Free.

Purcellville blood drive Sept. 12, 10 a.m.-3 p.m. Patrick Henry College, One Patrick Henry Cir., Purcellville. 800-733-2767. 540-338-1776.

Diabetes support Sept. 12 at 11 a.m. Leesburg Senior Center, 102 North St., Leesburg. 703-737-8039. Free.

Parenting Alone Group For parents who have lost a spouse or partner to cancer while raising school-age children. Sept. 12, 5:30-6:30 p.m. Inova Loudoun Hospital, Radiation Oncology Center, 44035 Riverside Pkwy., Suite 100, Leesburg. 703-698-2536. Free.

Cancer support For patients and their families and friends. Sept. 12, 7-8 p.m. Ashburn Presbyterian Church, Room 202, 20962 Ashburn Rd., Ashburn. 703-729-2012. Free.

— Compiled by Sandy Mauck

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