Final answer:
A woman can track her most fertile period through basal body temperature charting and using an ovulation predictor kit, both of which help identify when ovulation is likely to occur. Monitoring cervical mucus is another method to estimate ovulation timing.
Step-by-step explanation:
The most practical way for a woman to determine her most fertile time during the menstrual cycle is by charting her basal body temperature (BBT) and using a home ovulation predictor kit. Dr. Bashir's recommendation to Isabella involves taking her BBT each morning before getting out of bed using a special, highly sensitive thermometer. Since BBT typically rises slightly and stays elevated after ovulation, charting these temperatures can help identify ovulated periods. Additionally, ovulation predictor kits can detect a surge in luteinizing hormone (LH) which precedes ovulation, providing a clear indicator of when fertility is at its peak.
Aside from BBT, monitoring cervical mucus is also a fertility awareness method that can help predict ovulation. As ovulation approaches, cervical secretions increase and become thinner, which assists sperm movement. Recognizing these changes in cervical mucus can aid in determining optimal times for conception.