What are the early symptoms of pregnancy?

Early pregnancy symptoms typically begin around the time of a missed menstrual period—about two weeks after conception—and can vary significantly from person to person. Common early signs include: nausea (with or without vomiting), often referred to as “morning sickness” though it may occur at any time of day; breast tenderness, swelling, or tingling due to rising levels of estrogen and progesterone; increased urinary frequency caused by hormonal shifts and early uterine enlargement pressing on the bladder; fatigue, likely related to elevated progesterone and metabolic demands; mild abdominal cramping or spotting (implantation bleeding), which may occur 6–12 days after ovulation; and heightened sensitivity to odors or food aversions. Some individuals also report mood swings, constipation, bloating, or light-headedness. It’s important to note that these symptoms are nonspecific—they can mimic premenstrual syndrome (PMS) or other conditions—and are not diagnostic on their own. Confirmation of pregnancy requires a positive urine or serum beta-hCG test, ideally followed by clinical evaluation and ultrasound when appropriate.