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Absence of menstruation; it describes a sign with physiological, endocrine and anatomical explanations, rather than one disease.

A historical category of agents intended to provoke menstruation. The label neither establishes efficacy nor identifies the cause of amenorrhoea.

A dating measure conventionally reckoned from the first day of the last menstruation, rather than directly from observed fertilization.

Classify the bleeding by anatomical source and by its relation to pregnancy, childbirth and menstruation; treatment must address that source. The amount of visible genital haemorrhage does not measure all the loss: a ruptured ectopic pregnancy or concealed placental abruption can cause major internal blood loss. Initial assessment of severe bleeding concerns the circulation, anaemia and the need for resuscitation while the cause is established. Bleeding from the urethra or rectum must first be distinguished from genital bleeding.

Local sources outside the uterine cavity. The vulva and vagina may bleed from lacerations after childbirth or other trauma, an inflamed lesion, a foreign body, a vascular lesion or cancer. Examination localizes the loss; treatment is local compression and repair of a significant laceration, removal of the foreign body, cause-directed treatment of infection, or specialist management of the lesion. A cervical polyp, cervical ectropion, cervicitis or cervical cancer can cause bleeding from the cervix, often noticed between periods or after intercourse. A suitable polyp can be removed and examined; inflammation requires its cause to be established, while a suspicious lesion requires diagnostic assessment rather than indiscriminate cauterization. After menopause, thin, fragile vulvovaginal tissues can also bleed; this does not remove the need to investigate a suspicious lesion. These are different conditions, not one disease called “uterine haemorrhage”. ^[ref]

Bleeding from the endometrium. Heavy or irregular menstruation may accompany ovulatory dysfunction, uterine fibroids, endometrial polyps, adenomyosis, a coagulopathy, medication effects or endometrial cancer. Modern assessment includes the menstrual and drug history, a full blood count, and selected ultrasound, hysteroscopy or tissue sampling according to the suspected cause. Where appropriate, menstrual bleeding can be reduced with tranexamic acid or hormonal treatment; an intracavitary polyp or uterine fibroid may instead need targeted removal. Persistent postmenopausal bleeding must not simply be treated as an ordinary period. ^[ref]

Early pregnancy. A miscarriage may bleed while pregnancy tissue separates or remains in the uterus. In a stable, confirmed case, expectant, medical or surgical management may be appropriate; heavy continuing loss or infection changes the urgency. Ectopic pregnancy requires a separate plan: selected stable cases may be monitored or treated medically, but rupture with haemorrhagic collapse requires urgent operative control, not treatment of the vagina as though it were the principal source. A hydatidiform mole is another pregnancy-related source of abnormal bleeding; current management includes removal by suction evacuation and subsequent human chorionic gonadotropin surveillance for persistent disease. ^{[ref] [ref] [ref]}

Later pregnancy and labour. Placenta praevia commonly produces relatively painless bleeding, whereas placental abruption more often causes pain and uterine tenderness; these are useful patterns, not infallible rules. Management depends on the mother's circulation, the fetus, the placental lesion and the stage of pregnancy, with urgent delivery when required. A blind digital cervical examination is inappropriate before a possible placenta praevia has been excluded. Ruptured vasa praevia causes fetal rather than maternal bleeding and demands a different interpretation. A small blood-stained mucous “show” during cervical change is not equivalent to these pathological losses. ^{[ref] [ref]}

After delivery. The principal categories are failure of uterine contraction, retained placental tissue, trauma and disordered coagulation. For uterine atony, the aim is to restore contraction with uterine massage and an appropriate uterotonic. Retained tissue, a genital laceration or uterine inversion requires correction of that particular cause; a coagulopathy requires haemostatic support. With placenta accreta spectrum, attempted forcible separation can provoke severe haemorrhage. Current care combines resuscitation with cause-directed measures, and can require tranexamic acid, balloon tamponade, embolisation or surgery when initial measures fail. Later postpartum bleeding also raises retained tissue and endometritis. ^[ref]

The 1865 distinction. An answer of the period could distinguish menstrual loss, local lesions, pregnancy-related haemorrhage and post-delivery failure of contraction through the history and physical examination. Compression, local plugging, removal of an accessible lesion and obstetric intervention were among the available approaches; their use was debated. The 1864 discussion of placenta praevia documents such disagreement. Modern imaging, blood banking, the present drug regimens and current operative pathways must not be attributed to that practice. Nor should historical astringents or depletion be substituted for identifying the source. ^[ref]

Separate evidence produced by the mother from evidence identifying the fetus. The classical presumptive, probable and positive grouping expresses increasing diagnostic confidence; it is not a numerical probability scale.

Presumptive signs include missed menstruation, nausea or pregnancy-associated vomiting, breast enlargement and tenderness, changes in the areola, urinary frequency and the mother's sensation of fetal movement, traditionally called quickening. Each can have another explanation. Amenorrhoea may result from illness or endocrine disturbance; abdominal enlargement can arise from a pelvic mass, ascites or other causes. A report of movement is not equivalent to movement detected independently by the examiner.

Probable physical signs include a progressively enlarged uterus with the appropriate change in contour, softening of the cervix and uterine tissues, increased vascularity and colour change of the genital mucosa, and intermittent uterine contractions. Ballottement is the rebound of a movable object within fluid when it is displaced: in the right clinical setting it supports a gravid uterus, but the physical phenomenon alone does not identify a living fetus. A vascular sound heard over the uterus follows the maternal circulation and is not the fetal heartbeat.

Positive evidence available to the 1865 examiner was a fetal heartbeat heard with a stethoscope, unmistakable fetal movements appreciated during examination, and identification of fetal parts. Repeated examination as pregnancy advances strengthens their interpretation. The examiner should compare the perceived heartbeat with the maternal pulse rather than accept any abdominal sound as fetal. These findings generally become useful later than the earliest symptoms, so their absence early on does not exclude pregnancy. The mother’s quickening remains a symptom; independently established fetal movement is a different kind of evidence.

Modern additions. Human chorionic gonadotropin testing can detect pregnancy-related tissue before the classical physical signs become conclusive. A positive test does not establish location or continuing viability: it can occur in ectopic pregnancy and must be interpreted in context. Ultrasound can establish location and show an embryo or fetus with cardiac activity. Very early uncertain findings may require repeat assessment rather than a premature conclusion. These technologies are later developments, not signs that an 1865 candidate could have obtained. ^{[ref] [ref]}

Absent menstruation is a sign with several causes; treatment must distinguish physiological absence, failure of menstrual cycling and obstruction of outflow. The word “suppression” does not establish that retained blood is poisoning the body or that producing a bleed will cure the underlying problem.

First distinguish primary amenorrhoea, where menstruation has never begun, from secondary amenorrhoea, where established cycles have stopped. Ask about the previous pattern, possibility of pregnancy, breastfeeding, age, illness, nutrition, exercise, medicines and associated symptoms. Pregnancy, lactation and menopause can explain physiological absence. Pregnancy must be considered before any proposed menstrual stimulant, with assessment for complications when pain or abnormal bleeding accompanies the missed period.^[ref]

A second group has impaired hormonal signalling or ovarian function. Severe illness, inadequate energy intake, major exertion and stress can suppress the hypothalamic–pituitary–ovarian axis. Other possibilities include thyroid disease, hyperprolactinaemia, primary ovarian insufficiency and chronic anovulation. These modern categories separate processes that an 1866 clinician might group under debility, constitutional disease or disordered ovarian activity. Anaemia and wasting deserve investigation and treatment when present, but are not universal explanations for every missed period.

A third group has an anatomical explanation. Cyclical pain with absent visible menstruation can indicate retained menstrual material behind an imperforate hymen or other outflow obstruction. Congenital absence or abnormal development of reproductive organs is different again. Acquired scarring of the uterine cavity may interrupt bleeding after instrumentation or disease. The response to obstruction is diagnosis-specific correction by an appropriate specialist; neither a “tonic” nor a drug intended to provoke uterine contraction repairs an absent or blocked passage.^[ref]

In period terms, treatment of a genuine associated illness, improved nourishment and protection from exhausting conditions could be sensible. Warm baths and drugs called emmenagogues were also employed, but their use should not be mistaken for proof of efficacy, or attempted before excluding pregnancy. Menstrual absence should not automatically be interpreted as the cause of mental or systemic illness.

Modern correction: investigate the relevant physiological pathway and treat its cause. Selected investigations include a pregnancy test, prolactin, thyroid-stimulating hormone, ovarian and pituitary hormone measurements and pelvic ultrasonography. For functional hypothalamic suppression, restore energy availability and address contributing illness or disordered eating; simply imposing withdrawal bleeds can conceal persisting energy deficiency. Hormone replacement may be appropriate for ovarian insufficiency, while thyroid, prolactin-related and anatomical disorders need their own pathways. Management of chronic anovulation includes reproductive goals and protection of the endometrium, rather than just the appearance of regular bleeding.^[ref][ref]

Suspect uterine retroversion from examination and the clinical setting, while distinguishing an incidental position from symptomatic disease or an incarcerated pregnant uterus. Pelvic pressure, backache, painful menstruation, pain with intercourse, difficulty voiding or rectal pressure can prompt assessment, but none proves that the uterine position is the cause.

In retroversion the uterus tilts backwards as a whole; uterine retroflexion instead describes bending between its body and cervix. The two can coexist. On an appropriate pelvic examination, the uterine body may be felt posteriorly while the cervix points more anteriorly. Mobility, tenderness, a pelvic mass and the possibility of pregnancy affect interpretation. Symptoms may come from associated endometriosis, adhesions or another pelvic disorder rather than the tilt itself.^[ref]

The especially important historical presentation is early or mid-pregnancy with increasing pelvic pressure and urinary retention. An enlarged backward-lying uterus can remain trapped beneath the pelvic brim, distorting the cervix and bladder outlet. Dribbling urine can represent overflow from retention, not adequate emptying. A distended urinary bladder and a posterior pelvic mass require careful assessment rather than treatment with a diuretic. A pre-1866 account of retroversion after conception emphasized retention as a principal presenting problem.^[ref]

Historical treatment aimed first to empty an overdistended urinary bladder with a catheter, then to restore position where appropriate and prevent recurrence, sometimes with positional measures or a vaginal pessary. A fixed, painful or possibly pregnant mass made blind forceful manipulation particularly hazardous. Describing the aim of a period manoeuvre does not make repeated unassessed attempts at repositioning acceptable.

Modern correction: an asymptomatic retroverted uterus commonly needs no treatment. Symptoms call for investigation of their actual cause; retroversion alone does not establish infertility or explain every miscarriage. For selected symptomatic mobile cases, conservative support or a fitted vaginal pessary may be considered, while associated disease is managed on its merits.^[ref] Suspected incarceration in pregnancy, especially with urinary retention, needs urgent obstetric assessment. Ultrasonography can clarify the anatomy; magnetic resonance imaging may help when the relation of the uterus, urinary bladder and cervix remains uncertain. Drainage of the urinary bladder and any attempt at reduction are specialist decisions guided by gestation, anatomy and complications. Published evidence is largely case reports and series, so a single successful method is not a universal rule.^[ref]

English law in 1867 fixed no maximum period of proved non-intercourse compatible with legitimacy; an exceptional interval had to be assessed on the evidence of possible gestation in the particular case. The relevant interval runs from the last possible intercourse between the spouses to the child's birth. Proof of subsequent non-intercourse establishes that interval; it does not itself establish how long pregnancy could have lasted.

The contemporary eighth edition of the Encyclopædia Britannica, published in 1853–1860, expressly distinguished the English position from numerical limits in continental codes. Its article on forensic medicine states: “The law of England at present has no definite limit”; it then says that a case beyond the usual term would go to a jury. This directly answers the legal question: there was no prescribed number of days that resolved every case. Medical evidence about the credibility of the claimed gestation informed the tribunal's decision about the child's status.^[ref]

To see what “consistent” means, distinguish the ordinary duration of pregnancy, the range alleged in exceptional medical reports, and a legal decision about a particular child. An accepted exceptional interval would show that the ordinary duration was not an inflexible rule; it would not establish a maximum for every subsequent case. For illustration, the later historical account in Legal medicine by Charles Meymott Tidy (volume 3) reports an English decision, dated there to 1834, allowing legitimacy after about 42 weeks, or 294 days, from last intercourse. This is a retrospective textbook report, not independent verification of the original judgment or proof of a longest accepted interval. The legal answer rests on the contemporary statement of the English rule, rather than on that numerical example.^[ref]

The medical evidence also requires care over the starting event. A period counted from the last menstruation is not the same measurement as a period counted from intercourse, and neither directly observes the instant of fertilization. Modern gestational age conventionally counts from the first day of the last menstrual period; early ultrasonography provides a more accurate check than menstrual recall alone. It would be misleading to combine historical figures with these different starting points into a single supposedly proved maximum.^[ref]

The absence of a predetermined English maximum did not make every length of separation legally acceptable or biologically possible. A claimed prolonged pregnancy still required credible evidence, and a nineteenth-century finding about legitimacy does not validate an extraordinary pregnancy length as a modern scientific observation. In historical legitimacy and prolonged gestation, the legal rule, the determination in an individual case, and the observed biological interval must be kept distinct. Establishing a unique longest reported case is a separate historical inquiry; it is not necessary to answer that English law prescribed no fixed maximum.