Astrophysicists Aleksander Wolszczan and Dale Frail found a sign of the planets, first detected with the Arecibo radio telescope, in irregularities in the radio pulses from the millisecond pulsar PSR1257 +12. (sciencenews.org)
Women should take note of irregularity of menstrual cycle and whether a problem of infertility is developing. (forkoffgluten.com)
Typically, these changes lead to menstrual irregularity in the 40s and the complete end of menstruation in the 50s. (wallerwellness.com)