妇人易产。由于气血之强。则儿身之转也捷。难产。由于气血之弱。则儿身
之转也滞。捷则子安而母亦安。滞则子危而母亦危。故善治者。必扶元气。
而调血次之。疏利又次之。盖女人怀娠十月。虽藉五脏之阴。六腑之阳。十
二经脉养成而足。其实则元气载之举之也。且胞系于肾。肺为之母。子虚
则补其母。阳生阴长。气旺则期未及者能安。期既及者能送。故当弥月。必
需大进人参。而临期为尤要。抑儿之居母腹。朝夕与俱。寝食与共。入息与
处。加以数月之久。譬如持重物而远行。虽有勇者。我知其力怯而气懦矣。
世或不察。辄畏人参不敢服。谓补助胎气。恐其娠大难产。不知气旺。则胎
有所束而展舒便。气弱。则胎无所制而传送艰。徒用葵子滑石脱颖等取
其滑而利。遇气血盛旺者亦可。气血衰弱者。有不反耗其气乎。故临盆时。
多服人参。佐以芎归杜仲茯苓陈皮等。则庶乎其易产矣。
一孕妇只腹痛。未产也。连腰痛甚者。将产也。盖肾候于腰。胞系于肾故也。
一分娩难产。及胞衣不下等。宜预服无忧散。
一妊娠因跌仆。子死腹中。恶露妄行。疼痛不已。口噤欲绝。用芎归汤。
一分娩交骨不开。至五七日不下垂死者。用加味芎归汤神效。妇人年长初孕。及素难产者。宜预备服。
无忧散
当归 川芎 白芍药（各七分） 木香 甘草（各五分） 炒枳壳 乳香（各一钱） 血余灰（四分）
为末。分二服。水煎去渣用。
芎归汤
当归（一两酒洗） 川芎（七钱）
分四服。水煎。将干。投酒盏半。煎五七沸温服。若子死腹中。立便逐下。若
腹痛随止。子母俱安。又治临产难生。胞衣不下。及产后血晕不省。恶露不止。身热头疼。一切等症。
加味芎归汤
川芎 当归（各一两） 血余（一握烧灰存性） 龟板（一个酥炙）
为末。每一两。水煎。俟人行五里许立下。盖此方觉难产。及虽产。儿不易
下者。即须服之。有挽全保救之功。余曾屡试神效。幸广传之年长初产。
及久患难产者。为天下幸甚。
妇女容易分娩，是因为气血旺盛，所以胎儿在体内的转动迅速。难产，是因为气血虚弱，所以胎儿在体内的转动迟缓。转动迅速则胎儿平安，母亲也平安；转动迟缓则胎儿危险，母亲也危险。所以善于治疗的人，必定以扶持元气为主，调理血液为次，疏通利导又为其次。
大概妇女怀孕十月，虽然依靠五脏的阴气和六腑的阳气，以及十二经脉的滋养才发育成熟，但实质上全靠元气承载和托举胎儿。况且胞宫系属于肾，肺为肾之母（金生水），胎儿虚弱就要补益其母脏，阳生则阴长，气旺则未到预产期的能安胎，已到预产期的能催生。所以在临产前一个月，必须大量进服人参，而到了临产时刻尤为重要。
再者，胎儿居住在母腹中，朝夕相处，饮食呼吸都与母亲共用，加上经过数月的时间，这就好比拿着重物远行，即使是勇敢的人，我也知道他的力量会怯弱、气息会衰败了。世上有人不察此理，往往害怕服用人参，认为人参补助胎气，恐怕导致胎儿过大而难产。他们不知道气旺，则胎儿有所约束而舒展便利；气弱，则胎儿无所制约而传送艰难。如果只用葵子、滑石、脱颖等药物来追求滑利通窍的效果，遇到气血盛旺的人或许可以，但对于气血衰弱的人，难道不会反而耗损他们的元气吗？所以在临盆时，多服用人参，佐以川芎、当归、杜仲、茯苓、陈皮等药，那么大概就能顺利分娩了。
有一种情况是孕妇只感到腹痛，这是尚未临产的表现。如果连腰部都剧烈疼痛，则是即将临产的表现。这是因为肾的气色反映在腰部，且胞宫系属于肾的缘故。
对于妊娠期间因跌打损伤导致胎儿死于腹中，恶露妄行，疼痛不止，牙关紧闭甚至昏厥欲绝的情况，使用芎归汤。
对于分娩时交骨（耻骨联合）不开，导致五到七天内胎儿不下垂甚至死亡的情况，使用加味芎归汤，效果神效。妇人年长初次怀孕，以及平时有难产史的，应当预备提前服用。
无忧散
配方：当归、川芎、白芍药（各七分），木香、甘草（各五分），炒枳壳、乳香（各一钱），血余灰（四分）。
制法与用法：研为细末，分两次服用，水煎煮后去渣服用。
芎归汤
配方：当归（一两，酒洗），川芎（七钱）。
制法与用法：分四次服用，水煎。待药液将干时，加入半酒杯酒，再煎五到七沸，温服。如果胎儿死于腹中，服药后立即排出。如果腹痛随即停止，母子均安。此外还治疗临产难生、胞衣不下，以及产后血晕不省人事、恶露不止、身体发热、头痛等一切病症。
加味芎归汤
配方：川芎、当归（各一两），血余（一握，烧成灰存性），龟板（一个，用酥油炙烤）。
制法与用法：研为细末，每取一两，用水煎煮。等待行人走约五里路的时间内，胎儿就会降下。这个方子适用于感觉难产，或者虽然分娩但胎儿不易下来的情况，此时必须服用，具有挽救保全的功效。我曾多次试用，效果神妙，希望广泛流传。对于年长初次生产，以及长期患有难产问题的女性，这是天下的幸事。
Painless and easy childbirth in women is due to strong Qi and Blood, which allows the fetus to turn rapidly within the womb. Dystocia (difficult labor) is due to weak Qi and Blood, causing the fetus to turn sluggishly. Rapid turning ensures safety for both the fetus and the mother; sluggish turning endangers both. Therefore, a skilled practitioner must prioritize supporting Yuan Qi (Original Qi), followed by regulating Blood, and using methods to unblock and promote flow as a tertiary measure.
Generally, during the ten months of pregnancy, although the fetus is nourished by the Yin of the Five Zang organs, the Yang of the Six Fu organs, and the twelve meridians, it is essentially supported and held up by Yuan Qi. Furthermore, the uterus is connected to the Kidney, and the Lung acts as the mother of the Kidney (Metal generates Water). When the fetus is deficient, one tonifies its "mother" organ. As Yang grows, Yin follows; when Qi is robust, it can stabilize the fetus before the due date and facilitate delivery after the due date. Thus, one month before term, large doses of Renshen (Ginseng Radix et Rhizoma) should be administered, with particular importance placed on the time of impending labor.
Moreover, the fetus resides in the maternal abdomen, sharing daily life, diet, and respiration with the mother over several months. This is akin to carrying a heavy weight over a long distance; even a brave person would find their strength waning and Qi becoming feeble. Some people, failing to understand this, fear taking Renshen, believing it augments fetal Qi and might cause the fetus to become too large, leading to difficult labor. They do not realize that robust Qi constrains the fetus appropriately, making movement and delivery easier, whereas weak Qi fails to constrain it, making passage difficult. Using only slippery and purgative herbs like Qianziren (Abutilonis Fructus), Huashi (Talcum), and Tuoying (likely referring to specific slippery agents) to seek lubrication may work for those with abundant Qi and Blood, but for those with deficiency, it will merely deplete their Qi further. Therefore, at the time of labor, administering Renshen supplemented with Xiongguo (Ligusticum Chuanxiong Rhizome), Danggui (Angelicae Sinensis Radix), Duzhong (Eucommiae Cortex), Fuling (Poria), and Chenpi (Citri Reticulatae Pericarpium) will likely facilitate easy delivery.
If a pregnant woman experiences only abdominal pain, she has not yet gone into labor. If severe lower back pain accompanies the abdominal pain, labor is imminent. This is because the condition of the Kidney manifests in the lower back, and the uterus is connected to the Kidney.
For dystocia, retained placenta, etc., Wuyou San (Worry-Free Powder) should be taken prophylactically.
For cases where trauma during pregnancy causes fetal death in utero, abnormal lochia discharge, unceasing pain, trismus (lockjaw), and near-fainting, use Xionggui Tang (Ligusticum and Angelica Decoction).
For cases where the pubic symphysis (Jiaogu) fails to open during labor, leading to fetal death if delivery is delayed by five to seven days, Jiawei Xionggui Tang (Modified Ligusticum and Angelica Decoction) is extremely effective. Women who are older at first pregnancy or have a history of difficult labor should take this preparation in advance.
Wuyou San
Ingredients: Danggui (7 fen), Chuanxiong (7 fen), Baishao Yao (White Peony Root, 7 fen), Muxiang (Aucklandiae Radix, 5 fen), Gancao (Licorice Root, 5 fen), Chao Zhike (Stir-fried Aurantii Fructus, 1 qian), Ruxiang (Olibanum, 1 qian), Xuyu Hui (Ash of Human Hair, 4 fen).
Preparation and Administration: Grind into powder. Divide into two doses. Decoct in water, strain, and drink.
Xionggui Tang
Ingredients: Danggui (1 liang, washed with wine), Chuanxiong (7 qian).
Preparation and Administration: Divide into four doses. Decoct in water. When the liquid is nearly reduced, add half a cup of wine. Boil for five to seven boils, and take warm. If the fetus is dead in utero, it will be expelled immediately. If abdominal pain ceases, both mother and child are safe. It also treats difficult labor, retained placenta, postpartum syncope with loss of consciousness, persistent lochia, fever, headache, and other related conditions.
Jiawei Xionggui Tang
Ingredients: Chuanxiong (1 liang), Danggui (1 liang), Xuyu (Human Hair, one handful, burned to ash retaining its nature), Guiban (Testudinis Carapax et Plastrum, one piece, roasted with butter/su).
Preparation and Administration: Grind into powder. For each 1 liang of powder, decoct in water. The fetus will descend within the time it takes a person to walk about five li. This formula is indicated for suspected dystocia or situations where the infant is difficult to deliver even after labor has started. It possesses the power to rescue and preserve life. I have tested it repeatedly with miraculous results. May it be widely disseminated. For women of advanced age giving birth for the first time, or those suffering from chronic dystocia, this brings great fortune to the world.