Events that start from number 4 in Obstetrics –
4 Parts of Uterus – Fundus, Body, Isthmus, Cervix
4 Parts of Fallopian tube – Intramural (interstitial), Isthmus, Ampulla, Infundibulum
4 Openings in Vestibule – Vaginal Opening, Skene’s Gland, Bartholin’s Gland, and Urethral Opening
4 Spermatids – After the completion of spermatogenesis 4 spermatids forms
4th day – Blastocyst enters into the uterine cavity
4 Visits in Pregnancy – According to WHO Total of 4 Antenatal visits needed
4 Types of Pelvis – Gynaecoid, Android, Anthropoid, Platypelloid
4 Leopold maneuvers (Obstetrical grips) – Fundal, Lateral (umbilical), Pawlik grip (2nd Pelvic grip), Pelvic grip (1st Pelvic grip)
4 Stages of Labour – Stages of Labour (1st, 2nd, 3rd, 4th)
4 Phases of Lactation – Mammogenesis, Lactogenesis, Galactokinesis, Galactopoiesis
4 Types of Placenta Praevia – Low Lying, Marginal, Partial central, Central
40 Weeks of Pregnancy – Duration of normal gestation (pregnancy) is about 280 days or 40 weeks
40 mg – daily iron requirement during pregnancy
400 μg – Daily folic acid requirement during pregnancy
400 Secondary Oocyte – Total no. of secondary Oocyte, a woman ovulate in her whole reproductive life.