The pituitary gland releases the gonadotropic hormones FSH and LH.
This chart shows the blood plasma levels of during the menstrual cycle.
A spike in the amount of both gonadotropic hormones occurs naturally during ovulation.
By Neus Ferrando Gilabert BSc, MSc (embryologist) and Sandra Fernández BA, MA (fertility counselor).
Last Update: 05/02/2014