Miscarriage: This is the most common cause of bleeding and cramps in early pregnancy, especially around 10 weeks. The symptoms presented are classic for a miscarriage, which can be either threatened, inevitable, or complete.

Ectopic Pregnancy: Although less common than miscarriage, ectopic pregnancy is a significant concern, especially if there's a history of ectopic pregnancy, infertility, or pelvic surgery. Symptoms can include abdominal pain and vaginal bleeding.
Placenta Previa: This condition, where the placenta covers the cervical os, can cause painless vaginal bleeding but may also be associated with cramping. However, it's less common at 10 weeks compared to later in pregnancy.
Threatened Abortion: This condition presents with bleeding and possibly cramps but without cervical dilation. It indicates a potential risk of miscarriage but does not inevitably lead to one.

Molar Pregnancy: A rare condition where the placenta becomes abnormal, it can cause bleeding, cramping, and other systemic symptoms. Early detection is crucial for appropriate management.
Uterine Rupture: Although extremely rare at 10 weeks of gestation, uterine rupture can occur, especially in women with a history of uterine surgery. It's a life-threatening emergency requiring immediate intervention.
Ovarian Torsion: This condition, involving the twisting of an ovary, can cause severe pain and may be associated with vaginal bleeding. It's an emergency that requires prompt surgical intervention.

Choriocarcinoma: A rare type of cancer that can occur during pregnancy, it may present with bleeding and other systemic symptoms. It's more common after a molar pregnancy, abortion, or ectopic pregnancy.
Uterine Artery Aneurysm or Pseudoaneurysm: These are rare vascular abnormalities that can cause bleeding during pregnancy. They are often associated with a history of uterine surgery or other vascular conditions.