Allergic reaction (including rash, swallowing or breathing problems, swelling of lips, face, throat or tongue), signs of stroke (eg, numbness, weakness or paralysis on one side of the body, slurred speech, sudden blurred vision, confusion or unsteadiness). Over-stimulation of ovary (pain in pelvis, stomach or calf, swelling or feeling bloated, passing less urine, difficulty in breathing or increased wt), blurred vision or spots or flashes in front of the eyes, jaundice, sudden & severe headache, psychosis. Increased pain w/ periods, heavy or bleeding between periods, pain in lower part of stomach, cataracts, fits, feeling faint, disorientated or more tense than normal, vertigo, insomnia, depression or change in moods or behaviour, speech problems, skin rash or itching, feeling or being sick, skin flushing, painful breasts, hair loss or thinning.