Entrance Exams
Govt. Exams
Klinefelter syndrome (47,XXY) is the most common male chromosomal abnormality, presenting with azoospermia, hypogonadism, gynecomastia, and infertility.
Meiosis II is similar to mitosis; sister chromatids separate at anaphase II, resulting in four haploid cells from the two haploid cells formed after meiosis I.
Trichomoniasis, caused by Trichomonas vaginalis, presents with greenish-yellow, frothy vaginal discharge and is the most common non-viral STI worldwide.
IUDs have failure rates of less than 1% in typical use, making them one of the most effective contraceptive methods available, with effectiveness approaching that of sterilization.
hCG is secreted by the trophoblast cells of the blastocyst and maintains the corpus luteum, preventing its degeneration and ensuring continued progesterone production during early pregnancy.
The follicular phase (days 5-14) is marked by rising estrogen from developing follicles, causing endometrial proliferation and preparation for ovulation.
As per WHO and Indian guidelines, women with normal Pap smear results should be screened every 3 years. Annual screening is reserved for high-risk cases.
hCG produced by trophoblastic cells maintains the corpus luteum until week 8-10, after which placental progesterone takes over luteal function.
The menstrual cycle begins with menstruation (days 1-5), followed by proliferative phase (days 5-14), ovulation (day 14), and secretory/luteal phase (days 15-28).
HPV vaccines (bivalent Cervarix and quadrivalent/9-valent Gardasil) prevent infection with high-risk HPV types (16, 18, and others) responsible for cervical cancer.